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Finding the Fourth Proportional to 178,005.40, 266,943.30 and 59,680.60

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Solution

The fourth proportional to 178,005.40, 266,943.30 and 59,680.60 is: 89,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,005.40 : 266,943.30 = 59,680.60 : x
  2. Step 2: Convert to fraction form
    178,005.40/266,943.30 = 59,680.60/x
  3. Step 3: Cross multiply
    178,005.40x = 266,943.30 × 59,680.60
  4. Step 4: Simplify right side
    178,005.40x = 15,931,336,309.98
  5. Step 5: Solve for x
    x = 15,931,336,309.98/178,005.40
  6. Step 6: Final answer
    x = 89,499.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.