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Finding the Fourth Proportional to 96,347.60, 144,521.40 and 91,754.90

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Solution

The fourth proportional to 96,347.60, 144,521.40 and 91,754.90 is: 137,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,347.60 : 144,521.40 = 91,754.90 : x
  2. Step 2: Convert to fraction form
    96,347.60/144,521.40 = 91,754.90/x
  3. Step 3: Cross multiply
    96,347.60x = 144,521.40 × 91,754.90
  4. Step 4: Simplify right side
    96,347.60x = 13,260,546,604.86
  5. Step 5: Solve for x
    x = 13,260,546,604.86/96,347.60
  6. Step 6: Final answer
    x = 137,632.35

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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.