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Finding the Fourth Proportional to 118,064.30, 177,139.65 and 47,950.70

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Solution

The fourth proportional to 118,064.30, 177,139.65 and 47,950.70 is: 71,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,064.30 : 177,139.65 = 47,950.70 : x
  2. Step 2: Convert to fraction form
    118,064.30/177,139.65 = 47,950.70/x
  3. Step 3: Cross multiply
    118,064.30x = 177,139.65 × 47,950.70
  4. Step 4: Simplify right side
    118,064.30x = 8,493,970,215.26
  5. Step 5: Solve for x
    x = 8,493,970,215.26/118,064.30
  6. Step 6: Final answer
    x = 71,943.60

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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.