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Finding the Fourth Proportional to 106,959.38, 147,605.70 and 58,560.50

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Solution

The fourth proportional to 106,959.38, 147,605.70 and 58,560.50 is: 80,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,959.38 : 147,605.70 = 58,560.50 : x
  2. Step 2: Convert to fraction form
    106,959.38/147,605.70 = 58,560.50/x
  3. Step 3: Cross multiply
    106,959.38x = 147,605.70 × 58,560.50
  4. Step 4: Simplify right side
    106,959.38x = 8,643,863,594.85
  5. Step 5: Solve for x
    x = 8,643,863,594.85/106,959.38
  6. Step 6: Final answer
    x = 80,814.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.