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Finding the Fourth Proportional to 96,488.70, 144,724.86 and 29,927.40

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Solution

The fourth proportional to 96,488.70, 144,724.86 and 29,927.40 is: 44,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,488.70 : 144,724.86 = 29,927.40 : x
  2. Step 2: Convert to fraction form
    96,488.70/144,724.86 = 29,927.40/x
  3. Step 3: Cross multiply
    96,488.70x = 144,724.86 × 29,927.40
  4. Step 4: Simplify right side
    96,488.70x = 4,331,238,775.16
  5. Step 5: Solve for x
    x = 4,331,238,775.16/96,488.70
  6. Step 6: Final answer
    x = 44,888.56

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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.