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Finding the Fourth Proportional to 157,599, 236,397.96 and 39,270.42

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Solution

The fourth proportional to 157,599, 236,397.96 and 39,270.42 is: 58,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,599 : 236,397.96 = 39,270.42 : x
  2. Step 2: Convert to fraction form
    157,599/236,397.96 = 39,270.42/x
  3. Step 3: Cross multiply
    157,599x = 236,397.96 × 39,270.42
  4. Step 4: Simplify right side
    157,599x = 9,283,447,176.34
  5. Step 5: Solve for x
    x = 9,283,447,176.34/157,599
  6. Step 6: Final answer
    x = 58,905.50

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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.