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Finding the Fourth Proportional to 95,248.80, 142,879.14 and 25,128.18

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Solution

The fourth proportional to 95,248.80, 142,879.14 and 25,128.18 is: 37,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,248.80 : 142,879.14 = 25,128.18 : x
  2. Step 2: Convert to fraction form
    95,248.80/142,879.14 = 25,128.18/x
  3. Step 3: Cross multiply
    95,248.80x = 142,879.14 × 25,128.18
  4. Step 4: Simplify right side
    95,248.80x = 3,590,292,748.17
  5. Step 5: Solve for x
    x = 3,590,292,748.17/95,248.80
  6. Step 6: Final answer
    x = 37,693.84

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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.