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Finding the Fourth Proportional to 118,151.76, 162,957.24 and 75,714.24

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Solution

The fourth proportional to 118,151.76, 162,957.24 and 75,714.24 is: 104,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,151.76 : 162,957.24 = 75,714.24 : x
  2. Step 2: Convert to fraction form
    118,151.76/162,957.24 = 75,714.24/x
  3. Step 3: Cross multiply
    118,151.76x = 162,957.24 × 75,714.24
  4. Step 4: Simplify right side
    118,151.76x = 12,338,183,579.10
  5. Step 5: Solve for x
    x = 12,338,183,579.10/118,151.76
  6. Step 6: Final answer
    x = 104,426.57

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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.