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Finding the Fourth Proportional to 106,772.76, 147,333.47 and 59,019.48

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Solution

The fourth proportional to 106,772.76, 147,333.47 and 59,019.48 is: 81,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,772.76 : 147,333.47 = 59,019.48 : x
  2. Step 2: Convert to fraction form
    106,772.76/147,333.47 = 59,019.48/x
  3. Step 3: Cross multiply
    106,772.76x = 147,333.47 × 59,019.48
  4. Step 4: Simplify right side
    106,772.76x = 8,695,544,490.90
  5. Step 5: Solve for x
    x = 8,695,544,490.90/106,772.76
  6. Step 6: Final answer
    x = 81,439.73

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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.