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Finding the Fourth Proportional to 127,169.92, 175,502.46 and 70,582.24

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Solution

The fourth proportional to 127,169.92, 175,502.46 and 70,582.24 is: 97,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.92 : 175,502.46 = 70,582.24 : x
  2. Step 2: Convert to fraction form
    127,169.92/175,502.46 = 70,582.24/x
  3. Step 3: Cross multiply
    127,169.92x = 175,502.46 × 70,582.24
  4. Step 4: Simplify right side
    127,169.92x = 12,387,356,752.31
  5. Step 5: Solve for x
    x = 12,387,356,752.31/127,169.92
  6. Step 6: Final answer
    x = 97,407.91

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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.