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Finding the Fourth Proportional to 158,691.53, 237,879.60 and 79,564.25

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Solution

The fourth proportional to 158,691.53, 237,879.60 and 79,564.25 is: 119,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,691.53 : 237,879.60 = 79,564.25 : x
  2. Step 2: Convert to fraction form
    158,691.53/237,879.60 = 79,564.25/x
  3. Step 3: Cross multiply
    158,691.53x = 237,879.60 × 79,564.25
  4. Step 4: Simplify right side
    158,691.53x = 18,926,710,774.90
  5. Step 5: Solve for x
    x = 18,926,710,774.90/158,691.53
  6. Step 6: Final answer
    x = 119,267.31

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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.