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Finding the Fourth Proportional to 117,454.78, 175,960.50 and 91,030.24

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Solution

The fourth proportional to 117,454.78, 175,960.50 and 91,030.24 is: 136,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454.78 : 175,960.50 = 91,030.24 : x
  2. Step 2: Convert to fraction form
    117,454.78/175,960.50 = 91,030.24/x
  3. Step 3: Cross multiply
    117,454.78x = 175,960.50 × 91,030.24
  4. Step 4: Simplify right side
    117,454.78x = 16,017,726,545.52
  5. Step 5: Solve for x
    x = 16,017,726,545.52/117,454.78
  6. Step 6: Final answer
    x = 136,373.56

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1.5x scale

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.