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Finding the Fourth Proportional to 234,545.96, 323,664.76 and 127,113.69

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Solution

The fourth proportional to 234,545.96, 323,664.76 and 127,113.69 is: 175,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,545.96 : 323,664.76 = 127,113.69 : x
  2. Step 2: Convert to fraction form
    234,545.96/323,664.76 = 127,113.69/x
  3. Step 3: Cross multiply
    234,545.96x = 323,664.76 × 127,113.69
  4. Step 4: Simplify right side
    234,545.96x = 41,142,221,518.59
  5. Step 5: Solve for x
    x = 41,142,221,518.59/234,545.96
  6. Step 6: Final answer
    x = 175,412.19

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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.