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Finding the Fourth Proportional to 108,187.65, 149,291.15 and 59,789.00

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Solution

The fourth proportional to 108,187.65, 149,291.15 and 59,789.00 is: 82,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,187.65 : 149,291.15 = 59,789.00 : x
  2. Step 2: Convert to fraction form
    108,187.65/149,291.15 = 59,789.00/x
  3. Step 3: Cross multiply
    108,187.65x = 149,291.15 × 59,789.00
  4. Step 4: Simplify right side
    108,187.65x = 8,925,968,711.61
  5. Step 5: Solve for x
    x = 8,925,968,711.61/108,187.65
  6. Step 6: Final answer
    x = 82,504.50

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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.