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Finding the Fourth Proportional to 250,113.93, 375,210.15 and 81,595.38

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Solution

The fourth proportional to 250,113.93, 375,210.15 and 81,595.38 is: 122,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,113.93 : 375,210.15 = 81,595.38 : x
  2. Step 2: Convert to fraction form
    250,113.93/375,210.15 = 81,595.38/x
  3. Step 3: Cross multiply
    250,113.93x = 375,210.15 × 81,595.38
  4. Step 4: Simplify right side
    250,113.93x = 30,615,414,769.11
  5. Step 5: Solve for x
    x = 30,615,414,769.11/250,113.93
  6. Step 6: Final answer
    x = 122,405.88

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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.