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Finding the Fourth Proportional to 106,358.60, 146,772.97 and 57,960.97

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Solution

The fourth proportional to 106,358.60, 146,772.97 and 57,960.97 is: 79,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,358.60 : 146,772.97 = 57,960.97 : x
  2. Step 2: Convert to fraction form
    106,358.60/146,772.97 = 57,960.97/x
  3. Step 3: Cross multiply
    106,358.60x = 146,772.97 × 57,960.97
  4. Step 4: Simplify right side
    106,358.60x = 8,507,103,199.15
  5. Step 5: Solve for x
    x = 8,507,103,199.15/106,358.60
  6. Step 6: Final answer
    x = 79,985.10

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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.