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Finding the Fourth Proportional to 106,062.72, 146,368.98 and 58,318.74

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Solution

The fourth proportional to 106,062.72, 146,368.98 and 58,318.74 is: 80,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,062.72 : 146,368.98 = 58,318.74 : x
  2. Step 2: Convert to fraction form
    106,062.72/146,368.98 = 58,318.74/x
  3. Step 3: Cross multiply
    106,062.72x = 146,368.98 × 58,318.74
  4. Step 4: Simplify right side
    106,062.72x = 8,536,054,488.69
  5. Step 5: Solve for x
    x = 8,536,054,488.69/106,062.72
  6. Step 6: Final answer
    x = 80,481.20

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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.