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Finding the Fourth Proportional to 106,061.52, 146,368.32 and 58,318.32

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Solution

The fourth proportional to 106,061.52, 146,368.32 and 58,318.32 is: 80,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,061.52 : 146,368.32 = 58,318.32 : x
  2. Step 2: Convert to fraction form
    106,061.52/146,368.32 = 58,318.32/x
  3. Step 3: Cross multiply
    106,061.52x = 146,368.32 × 58,318.32
  4. Step 4: Simplify right side
    106,061.52x = 8,535,954,523.62
  5. Step 5: Solve for x
    x = 8,535,954,523.62/106,061.52
  6. Step 6: Final answer
    x = 80,481.16

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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.