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Finding the Fourth Proportional to 166,806,064.80, 250,209,097.20 and 51,802,232.40

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Solution

The fourth proportional to 166,806,064.80, 250,209,097.20 and 51,802,232.40 is: 77,703,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,806,064.80 : 250,209,097.20 = 51,802,232.40 : x
  2. Step 2: Convert to fraction form
    166,806,064.80/250,209,097.20 = 51,802,232.40/x
  3. Step 3: Cross multiply
    166,806,064.80x = 250,209,097.20 × 51,802,232.40
  4. Step 4: Simplify right side
    166,806,064.80x = 12,961,389,801,748,588
  5. Step 5: Solve for x
    x = 12,961,389,801,748,588/166,806,064.80
  6. Step 6: Final answer
    x = 77,703,348.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.