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Finding the Fourth Proportional to 157,732.92, 236,541.30 and 124,064.64

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Solution

The fourth proportional to 157,732.92, 236,541.30 and 124,064.64 is: 186,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,732.92 : 236,541.30 = 124,064.64 : x
  2. Step 2: Convert to fraction form
    157,732.92/236,541.30 = 124,064.64/x
  3. Step 3: Cross multiply
    157,732.92x = 236,541.30 × 124,064.64
  4. Step 4: Simplify right side
    157,732.92x = 29,346,411,229.63
  5. Step 5: Solve for x
    x = 29,346,411,229.63/157,732.92
  6. Step 6: Final answer
    x = 186,051.28

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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.