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Finding the Fourth Proportional to 242,695.28, 364,206.96 and 84,925.10

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Solution

The fourth proportional to 242,695.28, 364,206.96 and 84,925.10 is: 127,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,695.28 : 364,206.96 = 84,925.10 : x
  2. Step 2: Convert to fraction form
    242,695.28/364,206.96 = 84,925.10/x
  3. Step 3: Cross multiply
    242,695.28x = 364,206.96 × 84,925.10
  4. Step 4: Simplify right side
    242,695.28x = 30,930,312,498.70
  5. Step 5: Solve for x
    x = 30,930,312,498.70/242,695.28
  6. Step 6: Final answer
    x = 127,445.05

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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.