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Finding the Fourth Proportional to 425,085.42, 637,606.14 and 158,824.92

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Solution

The fourth proportional to 425,085.42, 637,606.14 and 158,824.92 is: 238,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,085.42 : 637,606.14 = 158,824.92 : x
  2. Step 2: Convert to fraction form
    425,085.42/637,606.14 = 158,824.92/x
  3. Step 3: Cross multiply
    425,085.42x = 637,606.14 × 158,824.92
  4. Step 4: Simplify right side
    425,085.42x = 101,267,744,177.01
  5. Step 5: Solve for x
    x = 101,267,744,177.01/425,085.42
  6. Step 6: Final answer
    x = 238,229.16

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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.