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Finding the Fourth Proportional to 425,122.79, 637,462.73 and 158,664.17

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Solution

The fourth proportional to 425,122.79, 637,462.73 and 158,664.17 is: 237,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,122.79 : 637,462.73 = 158,664.17 : x
  2. Step 2: Convert to fraction form
    425,122.79/637,462.73 = 158,664.17/x
  3. Step 3: Cross multiply
    425,122.79x = 637,462.73 × 158,664.17
  4. Step 4: Simplify right side
    425,122.79x = 101,142,490,980.75
  5. Step 5: Solve for x
    x = 101,142,490,980.75/425,122.79
  6. Step 6: Final answer
    x = 237,913.60

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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.