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Finding the Fourth Proportional to 234,710.73, 323,900.99 and 127,280.74

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Solution

The fourth proportional to 234,710.73, 323,900.99 and 127,280.74 is: 175,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,710.73 : 323,900.99 = 127,280.74 : x
  2. Step 2: Convert to fraction form
    234,710.73/323,900.99 = 127,280.74/x
  3. Step 3: Cross multiply
    234,710.73x = 323,900.99 × 127,280.74
  4. Step 4: Simplify right side
    234,710.73x = 41,226,357,693.93
  5. Step 5: Solve for x
    x = 41,226,357,693.93/234,710.73
  6. Step 6: Final answer
    x = 175,647.52

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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.