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Finding the Fourth Proportional to 78,507.52, 108,338.06 and 44,519.10

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Solution

The fourth proportional to 78,507.52, 108,338.06 and 44,519.10 is: 61,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,507.52 : 108,338.06 = 44,519.10 : x
  2. Step 2: Convert to fraction form
    78,507.52/108,338.06 = 44,519.10/x
  3. Step 3: Cross multiply
    78,507.52x = 108,338.06 × 44,519.10
  4. Step 4: Simplify right side
    78,507.52x = 4,823,112,926.95
  5. Step 5: Solve for x
    x = 4,823,112,926.95/78,507.52
  6. Step 6: Final answer
    x = 61,435.04

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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.