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Finding the Fourth Proportional to 98,230.42, 147,344.54 and 58,798.54

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Solution

The fourth proportional to 98,230.42, 147,344.54 and 58,798.54 is: 88,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,230.42 : 147,344.54 = 58,798.54 : x
  2. Step 2: Convert to fraction form
    98,230.42/147,344.54 = 58,798.54/x
  3. Step 3: Cross multiply
    98,230.42x = 147,344.54 × 58,798.54
  4. Step 4: Simplify right side
    98,230.42x = 8,663,643,828.97
  5. Step 5: Solve for x
    x = 8,663,643,828.97/98,230.42
  6. Step 6: Final answer
    x = 88,197.16

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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.