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Finding the Fourth Proportional to 98,208.52, 147,309.10 and 58,502.32

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Solution

The fourth proportional to 98,208.52, 147,309.10 and 58,502.32 is: 87,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,208.52 : 147,309.10 = 58,502.32 : x
  2. Step 2: Convert to fraction form
    98,208.52/147,309.10 = 58,502.32/x
  3. Step 3: Cross multiply
    98,208.52x = 147,309.10 × 58,502.32
  4. Step 4: Simplify right side
    98,208.52x = 8,617,923,592.58
  5. Step 5: Solve for x
    x = 8,617,923,592.58/98,208.52
  6. Step 6: Final answer
    x = 87,751.28

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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.