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Finding the Fourth Proportional to 234,687.98, 352,159.70 and 99,730.95

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Solution

The fourth proportional to 234,687.98, 352,159.70 and 99,730.95 is: 149,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,687.98 : 352,159.70 = 99,730.95 : x
  2. Step 2: Convert to fraction form
    234,687.98/352,159.70 = 99,730.95/x
  3. Step 3: Cross multiply
    234,687.98x = 352,159.70 × 99,730.95
  4. Step 4: Simplify right side
    234,687.98x = 35,121,220,174.45
  5. Step 5: Solve for x
    x = 35,121,220,174.45/234,687.98
  6. Step 6: Final answer
    x = 149,650.70

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1.5x scale

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.