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Finding the Fourth Proportional to 169,390.98, 233,753.67 and 93,946.50

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Solution

The fourth proportional to 169,390.98, 233,753.67 and 93,946.50 is: 129,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,390.98 : 233,753.67 = 93,946.50 : x
  2. Step 2: Convert to fraction form
    169,390.98/233,753.67 = 93,946.50/x
  3. Step 3: Cross multiply
    169,390.98x = 233,753.67 × 93,946.50
  4. Step 4: Simplify right side
    169,390.98x = 21,960,338,926.57
  5. Step 5: Solve for x
    x = 21,960,338,926.57/169,390.98
  6. Step 6: Final answer
    x = 129,642.91

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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.