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Finding the Fourth Proportional to 169,876.34, 234,429.50 and 93,396.74

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Solution

The fourth proportional to 169,876.34, 234,429.50 and 93,396.74 is: 128,887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,876.34 : 234,429.50 = 93,396.74 : x
  2. Step 2: Convert to fraction form
    169,876.34/234,429.50 = 93,396.74/x
  3. Step 3: Cross multiply
    169,876.34x = 234,429.50 × 93,396.74
  4. Step 4: Simplify right side
    169,876.34x = 21,894,951,059.83
  5. Step 5: Solve for x
    x = 21,894,951,059.83/169,876.34
  6. Step 6: Final answer
    x = 128,887.58

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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.