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Finding the Fourth Proportional to 250,080.16, 375,115.92 and 83,868.16

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Solution

The fourth proportional to 250,080.16, 375,115.92 and 83,868.16 is: 125,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,080.16 : 375,115.92 = 83,868.16 : x
  2. Step 2: Convert to fraction form
    250,080.16/375,115.92 = 83,868.16/x
  3. Step 3: Cross multiply
    250,080.16x = 375,115.92 × 83,868.16
  4. Step 4: Simplify right side
    250,080.16x = 31,460,281,997.11
  5. Step 5: Solve for x
    x = 31,460,281,997.11/250,080.16
  6. Step 6: Final answer
    x = 125,800.79

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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.