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Finding the Fourth Proportional to 268,382.59, 370,363.82 and 147,521.28

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Solution

The fourth proportional to 268,382.59, 370,363.82 and 147,521.28 is: 203,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,382.59 : 370,363.82 = 147,521.28 : x
  2. Step 2: Convert to fraction form
    268,382.59/370,363.82 = 147,521.28/x
  3. Step 3: Cross multiply
    268,382.59x = 370,363.82 × 147,521.28
  4. Step 4: Simplify right side
    268,382.59x = 54,636,543,360.05
  5. Step 5: Solve for x
    x = 54,636,543,360.05/268,382.59
  6. Step 6: Final answer
    x = 203,577.08

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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.