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Finding the Fourth Proportional to 191,115.54, 286,752.24 and 96,294.48

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Solution

The fourth proportional to 191,115.54, 286,752.24 and 96,294.48 is: 144,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,115.54 : 286,752.24 = 96,294.48 : x
  2. Step 2: Convert to fraction form
    191,115.54/286,752.24 = 96,294.48/x
  3. Step 3: Cross multiply
    191,115.54x = 286,752.24 × 96,294.48
  4. Step 4: Simplify right side
    191,115.54x = 27,612,657,839.64
  5. Step 5: Solve for x
    x = 27,612,657,839.64/191,115.54
  6. Step 6: Final answer
    x = 144,481.49

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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.