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Finding the Fourth Proportional to 169,898.55, 234,454.98 and 93,417.76

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Solution

The fourth proportional to 169,898.55, 234,454.98 and 93,417.76 is: 128,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,898.55 : 234,454.98 = 93,417.76 : x
  2. Step 2: Convert to fraction form
    169,898.55/234,454.98 = 93,417.76/x
  3. Step 3: Cross multiply
    169,898.55x = 234,454.98 × 93,417.76
  4. Step 4: Simplify right side
    169,898.55x = 21,902,259,052.44
  5. Step 5: Solve for x
    x = 21,902,259,052.44/169,898.55
  6. Step 6: Final answer
    x = 128,913.75

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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.