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Finding the Fourth Proportional to 111,159.48, 153,260.46 and 88,444.92

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Solution

The fourth proportional to 111,159.48, 153,260.46 and 88,444.92 is: 121,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,159.48 : 153,260.46 = 88,444.92 : x
  2. Step 2: Convert to fraction form
    111,159.48/153,260.46 = 88,444.92/x
  3. Step 3: Cross multiply
    111,159.48x = 153,260.46 × 88,444.92
  4. Step 4: Simplify right side
    111,159.48x = 13,555,109,123.86
  5. Step 5: Solve for x
    x = 13,555,109,123.86/111,159.48
  6. Step 6: Final answer
    x = 121,942.90

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1.5x scale

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.