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Finding the Fourth Proportional to 358,482.80, 537,724.17 and 109,164.80

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Solution

The fourth proportional to 358,482.80, 537,724.17 and 109,164.80 is: 163,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,482.80 : 537,724.17 = 109,164.80 : x
  2. Step 2: Convert to fraction form
    358,482.80/537,724.17 = 109,164.80/x
  3. Step 3: Cross multiply
    358,482.80x = 537,724.17 × 109,164.80
  4. Step 4: Simplify right side
    358,482.80x = 58,700,551,473.22
  5. Step 5: Solve for x
    x = 58,700,551,473.22/358,482.80
  6. Step 6: Final answer
    x = 163,747.19

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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.