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Finding the Fourth Proportional to 113,771.76, 169,792.53 and 101,160.90

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Solution

The fourth proportional to 113,771.76, 169,792.53 and 101,160.90 is: 150,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,771.76 : 169,792.53 = 101,160.90 : x
  2. Step 2: Convert to fraction form
    113,771.76/169,792.53 = 101,160.90/x
  3. Step 3: Cross multiply
    113,771.76x = 169,792.53 × 101,160.90
  4. Step 4: Simplify right side
    113,771.76x = 17,176,365,148.08
  5. Step 5: Solve for x
    x = 17,176,365,148.08/113,771.76
  6. Step 6: Final answer
    x = 150,972.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.