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Finding the Fourth Proportional to 78,025.91, 107,675.70 and 44,041.55

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Solution

The fourth proportional to 78,025.91, 107,675.70 and 44,041.55 is: 60,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,025.91 : 107,675.70 = 44,041.55 : x
  2. Step 2: Convert to fraction form
    78,025.91/107,675.70 = 44,041.55/x
  3. Step 3: Cross multiply
    78,025.91x = 107,675.70 × 44,041.55
  4. Step 4: Simplify right side
    78,025.91x = 4,742,204,725.34
  5. Step 5: Solve for x
    x = 4,742,204,725.34/78,025.91
  6. Step 6: Final answer
    x = 60,777.31

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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.