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Finding the Fourth Proportional to 295,273.10, 442,909.65 and 84,898.70

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Solution

The fourth proportional to 295,273.10, 442,909.65 and 84,898.70 is: 127,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,273.10 : 442,909.65 = 84,898.70 : x
  2. Step 2: Convert to fraction form
    295,273.10/442,909.65 = 84,898.70/x
  3. Step 3: Cross multiply
    295,273.10x = 442,909.65 × 84,898.70
  4. Step 4: Simplify right side
    295,273.10x = 37,602,453,502.46
  5. Step 5: Solve for x
    x = 37,602,453,502.46/295,273.10
  6. Step 6: Final answer
    x = 127,348.05

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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.