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Finding the Fourth Proportional to 127,250.10, 178,543.80 and 127,250.10

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Solution

The fourth proportional to 127,250.10, 178,543.80 and 127,250.10 is: 178,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,250.10 : 178,543.80 = 127,250.10 : x
  2. Step 2: Convert to fraction form
    127,250.10/178,543.80 = 127,250.10/x
  3. Step 3: Cross multiply
    127,250.10x = 178,543.80 × 127,250.10
  4. Step 4: Simplify right side
    127,250.10x = 22,719,716,404.38
  5. Step 5: Solve for x
    x = 22,719,716,404.38/127,250.10
  6. Step 6: Final answer
    x = 178,543.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.