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Finding the Fourth Proportional to 425,123.29, 637,463.48 and 158,664.67

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Solution

The fourth proportional to 425,123.29, 637,463.48 and 158,664.67 is: 237,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,123.29 : 637,463.48 = 158,664.67 : x
  2. Step 2: Convert to fraction form
    425,123.29/637,463.48 = 158,664.67/x
  3. Step 3: Cross multiply
    425,123.29x = 637,463.48 × 158,664.67
  4. Step 4: Simplify right side
    425,123.29x = 101,142,928,710.61
  5. Step 5: Solve for x
    x = 101,142,928,710.61/425,123.29
  6. Step 6: Final answer
    x = 237,914.35

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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.