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Finding the Fourth Proportional to 553,625.29, 830,437.90 and 132,901.17

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Solution

The fourth proportional to 553,625.29, 830,437.90 and 132,901.17 is: 199,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,625.29 : 830,437.90 = 132,901.17 : x
  2. Step 2: Convert to fraction form
    553,625.29/830,437.90 = 132,901.17/x
  3. Step 3: Cross multiply
    553,625.29x = 830,437.90 × 132,901.17
  4. Step 4: Simplify right side
    553,625.29x = 110,366,165,823.52
  5. Step 5: Solve for x
    x = 110,366,165,823.52/553,625.29
  6. Step 6: Final answer
    x = 199,351.74

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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.