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Finding the Fourth Proportional to 220,293.60, 304,020.20 and 124,801.08

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Solution

The fourth proportional to 220,293.60, 304,020.20 and 124,801.08 is: 172,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,293.60 : 304,020.20 = 124,801.08 : x
  2. Step 2: Convert to fraction form
    220,293.60/304,020.20 = 124,801.08/x
  3. Step 3: Cross multiply
    220,293.60x = 304,020.20 × 124,801.08
  4. Step 4: Simplify right side
    220,293.60x = 37,942,048,677.81
  5. Step 5: Solve for x
    x = 37,942,048,677.81/220,293.60
  6. Step 6: Final answer
    x = 172,234.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.