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Finding the Fourth Proportional to 157,412.90, 236,176.95 and 63,928.10

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Solution

The fourth proportional to 157,412.90, 236,176.95 and 63,928.10 is: 95,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,412.90 : 236,176.95 = 63,928.10 : x
  2. Step 2: Convert to fraction form
    157,412.90/236,176.95 = 63,928.10/x
  3. Step 3: Cross multiply
    157,412.90x = 236,176.95 × 63,928.10
  4. Step 4: Simplify right side
    157,412.90x = 15,098,343,677.30
  5. Step 5: Solve for x
    x = 15,098,343,677.30/157,412.90
  6. Step 6: Final answer
    x = 95,915.54

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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.