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Finding the Fourth Proportional to 96,008.70, 132,470.80 and 55,699.12

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Solution

The fourth proportional to 96,008.70, 132,470.80 and 55,699.12 is: 76,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,008.70 : 132,470.80 = 55,699.12 : x
  2. Step 2: Convert to fraction form
    96,008.70/132,470.80 = 55,699.12/x
  3. Step 3: Cross multiply
    96,008.70x = 132,470.80 × 55,699.12
  4. Step 4: Simplify right side
    96,008.70x = 7,378,506,985.70
  5. Step 5: Solve for x
    x = 7,378,506,985.70/96,008.70
  6. Step 6: Final answer
    x = 76,852.48

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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.