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Finding the Fourth Proportional to 152,614.71, 210,604.38 and 84,630.60

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Solution

The fourth proportional to 152,614.71, 210,604.38 and 84,630.60 is: 116,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,614.71 : 210,604.38 = 84,630.60 : x
  2. Step 2: Convert to fraction form
    152,614.71/210,604.38 = 84,630.60/x
  3. Step 3: Cross multiply
    152,614.71x = 210,604.38 × 84,630.60
  4. Step 4: Simplify right side
    152,614.71x = 17,823,575,042.03
  5. Step 5: Solve for x
    x = 17,823,575,042.03/152,614.71
  6. Step 6: Final answer
    x = 116,788.05

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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.