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Finding the Fourth Proportional to 183,370.74, 253,134.52 and 115,487.47

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Solution

The fourth proportional to 183,370.74, 253,134.52 and 115,487.47 is: 159,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,370.74 : 253,134.52 = 115,487.47 : x
  2. Step 2: Convert to fraction form
    183,370.74/253,134.52 = 115,487.47/x
  3. Step 3: Cross multiply
    183,370.74x = 253,134.52 × 115,487.47
  4. Step 4: Simplify right side
    183,370.74x = 29,233,865,312.16
  5. Step 5: Solve for x
    x = 29,233,865,312.16/183,370.74
  6. Step 6: Final answer
    x = 159,424.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.