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Finding the Fourth Proportional to 270,671.52, 406,034.56 and 93,155.20

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Solution

The fourth proportional to 270,671.52, 406,034.56 and 93,155.20 is: 139,742.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,671.52 : 406,034.56 = 93,155.20 : x
  2. Step 2: Convert to fraction form
    270,671.52/406,034.56 = 93,155.20/x
  3. Step 3: Cross multiply
    270,671.52x = 406,034.56 × 93,155.20
  4. Step 4: Simplify right side
    270,671.52x = 37,824,230,643.71
  5. Step 5: Solve for x
    x = 37,824,230,643.71/270,671.52
  6. Step 6: Final answer
    x = 139,742.19

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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.