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Finding the Fourth Proportional to 95,458.80, 131,725.08 and 57,730.80

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Solution

The fourth proportional to 95,458.80, 131,725.08 and 57,730.80 is: 79,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,458.80 : 131,725.08 = 57,730.80 : x
  2. Step 2: Convert to fraction form
    95,458.80/131,725.08 = 57,730.80/x
  3. Step 3: Cross multiply
    95,458.80x = 131,725.08 × 57,730.80
  4. Step 4: Simplify right side
    95,458.80x = 7,604,594,248.46
  5. Step 5: Solve for x
    x = 7,604,594,248.46/95,458.80
  6. Step 6: Final answer
    x = 79,663.63

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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.