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Finding the Fourth Proportional to 117,332.42, 175,578.18 and 101,591.74

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Solution

The fourth proportional to 117,332.42, 175,578.18 and 101,591.74 is: 152,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,332.42 : 175,578.18 = 101,591.74 : x
  2. Step 2: Convert to fraction form
    117,332.42/175,578.18 = 101,591.74/x
  3. Step 3: Cross multiply
    117,332.42x = 175,578.18 × 101,591.74
  4. Step 4: Simplify right side
    117,332.42x = 17,837,292,812.23
  5. Step 5: Solve for x
    x = 17,837,292,812.23/117,332.42
  6. Step 6: Final answer
    x = 152,023.57

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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.