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Finding the Fourth Proportional to 234,285.76, 323,301.54 and 137,476.58

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Solution

The fourth proportional to 234,285.76, 323,301.54 and 137,476.58 is: 189,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,285.76 : 323,301.54 = 137,476.58 : x
  2. Step 2: Convert to fraction form
    234,285.76/323,301.54 = 137,476.58/x
  3. Step 3: Cross multiply
    234,285.76x = 323,301.54 × 137,476.58
  4. Step 4: Simplify right side
    234,285.76x = 44,446,390,027.93
  5. Step 5: Solve for x
    x = 44,446,390,027.93/234,285.76
  6. Step 6: Final answer
    x = 189,710.16

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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.