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Finding the Fourth Proportional to 98,377.61, 147,580.16 and 48,458.12

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Solution

The fourth proportional to 98,377.61, 147,580.16 and 48,458.12 is: 72,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,377.61 : 147,580.16 = 48,458.12 : x
  2. Step 2: Convert to fraction form
    98,377.61/147,580.16 = 48,458.12/x
  3. Step 3: Cross multiply
    98,377.61x = 147,580.16 × 48,458.12
  4. Step 4: Simplify right side
    98,377.61x = 7,151,456,122.71
  5. Step 5: Solve for x
    x = 7,151,456,122.71/98,377.61
  6. Step 6: Final answer
    x = 72,693.94

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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.