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Finding the Fourth Proportional to 118,151.74, 162,957.26 and 75,714.22

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Solution

The fourth proportional to 118,151.74, 162,957.26 and 75,714.22 is: 104,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,151.74 : 162,957.26 = 75,714.22 : x
  2. Step 2: Convert to fraction form
    118,151.74/162,957.26 = 75,714.22/x
  3. Step 3: Cross multiply
    118,151.74x = 162,957.26 × 75,714.22
  4. Step 4: Simplify right side
    118,151.74x = 12,338,181,834.24
  5. Step 5: Solve for x
    x = 12,338,181,834.24/118,151.74
  6. Step 6: Final answer
    x = 104,426.58

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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.