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Finding the Fourth Proportional to 98,313.52, 146,752.55 and 84,363.20

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Solution

The fourth proportional to 98,313.52, 146,752.55 and 84,363.20 is: 125,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,313.52 : 146,752.55 = 84,363.20 : x
  2. Step 2: Convert to fraction form
    98,313.52/146,752.55 = 84,363.20/x
  3. Step 3: Cross multiply
    98,313.52x = 146,752.55 × 84,363.20
  4. Step 4: Simplify right side
    98,313.52x = 12,380,514,726.16
  5. Step 5: Solve for x
    x = 12,380,514,726.16/98,313.52
  6. Step 6: Final answer
    x = 125,928.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.