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Finding the Fourth Proportional to 131,748.62, 181,900.89 and 88,792.00

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Solution

The fourth proportional to 131,748.62, 181,900.89 and 88,792.00 is: 122,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,748.62 : 181,900.89 = 88,792.00 : x
  2. Step 2: Convert to fraction form
    131,748.62/181,900.89 = 88,792.00/x
  3. Step 3: Cross multiply
    131,748.62x = 181,900.89 × 88,792.00
  4. Step 4: Simplify right side
    131,748.62x = 16,151,343,370.13
  5. Step 5: Solve for x
    x = 16,151,343,370.13/131,748.62
  6. Step 6: Final answer
    x = 122,592.13

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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.