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Finding the Fourth Proportional to 172,841.50, 238,521.30 and 93,353.50

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Solution

The fourth proportional to 172,841.50, 238,521.30 and 93,353.50 is: 128,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,841.50 : 238,521.30 = 93,353.50 : x
  2. Step 2: Convert to fraction form
    172,841.50/238,521.30 = 93,353.50/x
  3. Step 3: Cross multiply
    172,841.50x = 238,521.30 × 93,353.50
  4. Step 4: Simplify right side
    172,841.50x = 22,266,798,179.55
  5. Step 5: Solve for x
    x = 22,266,798,179.55/172,841.50
  6. Step 6: Final answer
    x = 128,827.85

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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.