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Finding the Fourth Proportional to 130,658.86, 195,987.57 and 47,552.86

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Solution

The fourth proportional to 130,658.86, 195,987.57 and 47,552.86 is: 71,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,658.86 : 195,987.57 = 47,552.86 : x
  2. Step 2: Convert to fraction form
    130,658.86/195,987.57 = 47,552.86/x
  3. Step 3: Cross multiply
    130,658.86x = 195,987.57 × 47,552.86
  4. Step 4: Simplify right side
    130,658.86x = 9,319,769,477.95
  5. Step 5: Solve for x
    x = 9,319,769,477.95/130,658.86
  6. Step 6: Final answer
    x = 71,329.03

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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.