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Finding the Fourth Proportional to 234,711.63, 323,898.98 and 127,281.09

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Solution

The fourth proportional to 234,711.63, 323,898.98 and 127,281.09 is: 175,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,711.63 : 323,898.98 = 127,281.09 : x
  2. Step 2: Convert to fraction form
    234,711.63/323,898.98 = 127,281.09/x
  3. Step 3: Cross multiply
    234,711.63x = 323,898.98 × 127,281.09
  4. Step 4: Simplify right side
    234,711.63x = 41,226,215,224.29
  5. Step 5: Solve for x
    x = 41,226,215,224.29/234,711.63
  6. Step 6: Final answer
    x = 175,646.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.