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Finding the Fourth Proportional to 364,920.09, 547,313.15 and 98,702.04

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Solution

The fourth proportional to 364,920.09, 547,313.15 and 98,702.04 is: 148,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,920.09 : 547,313.15 = 98,702.04 : x
  2. Step 2: Convert to fraction form
    364,920.09/547,313.15 = 98,702.04/x
  3. Step 3: Cross multiply
    364,920.09x = 547,313.15 × 98,702.04
  4. Step 4: Simplify right side
    364,920.09x = 54,020,926,723.01
  5. Step 5: Solve for x
    x = 54,020,926,723.01/364,920.09
  6. Step 6: Final answer
    x = 148,034.95

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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.