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Finding the Fourth Proportional to 108,876.80, 163,412.40 and 94,102.40

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Solution

The fourth proportional to 108,876.80, 163,412.40 and 94,102.40 is: 141,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.80 : 163,412.40 = 94,102.40 : x
  2. Step 2: Convert to fraction form
    108,876.80/163,412.40 = 94,102.40/x
  3. Step 3: Cross multiply
    108,876.80x = 163,412.40 × 94,102.40
  4. Step 4: Simplify right side
    108,876.80x = 15,377,499,029.76
  5. Step 5: Solve for x
    x = 15,377,499,029.76/108,876.80
  6. Step 6: Final answer
    x = 141,237.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.