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Finding the Fourth Proportional to 78,296.84, 108,030.90 and 44,754.44

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Solution

The fourth proportional to 78,296.84, 108,030.90 and 44,754.44 is: 61,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,296.84 : 108,030.90 = 44,754.44 : x
  2. Step 2: Convert to fraction form
    78,296.84/108,030.90 = 44,754.44/x
  3. Step 3: Cross multiply
    78,296.84x = 108,030.90 × 44,754.44
  4. Step 4: Simplify right side
    78,296.84x = 4,834,862,432.20
  5. Step 5: Solve for x
    x = 4,834,862,432.20/78,296.84
  6. Step 6: Final answer
    x = 61,750.42

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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.