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Finding the Fourth Proportional to 105,876.76, 146,110.22 and 58,133.20

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Solution

The fourth proportional to 105,876.76, 146,110.22 and 58,133.20 is: 80,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,876.76 : 146,110.22 = 58,133.20 : x
  2. Step 2: Convert to fraction form
    105,876.76/146,110.22 = 58,133.20/x
  3. Step 3: Cross multiply
    105,876.76x = 146,110.22 × 58,133.20
  4. Step 4: Simplify right side
    105,876.76x = 8,493,854,641.30
  5. Step 5: Solve for x
    x = 8,493,854,641.30/105,876.76
  6. Step 6: Final answer
    x = 80,223.98

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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.