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Finding the Fourth Proportional to 366,754.92, 550,140.06 and 117,436.20

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Solution

The fourth proportional to 366,754.92, 550,140.06 and 117,436.20 is: 176,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,754.92 : 550,140.06 = 117,436.20 : x
  2. Step 2: Convert to fraction form
    366,754.92/550,140.06 = 117,436.20/x
  3. Step 3: Cross multiply
    366,754.92x = 550,140.06 × 117,436.20
  4. Step 4: Simplify right side
    366,754.92x = 64,606,358,114.17
  5. Step 5: Solve for x
    x = 64,606,358,114.17/366,754.92
  6. Step 6: Final answer
    x = 176,156.76

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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.