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Finding the Fourth Proportional to 78,527.76, 108,365.88 and 44,539.32

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Solution

The fourth proportional to 78,527.76, 108,365.88 and 44,539.32 is: 61,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,527.76 : 108,365.88 = 44,539.32 : x
  2. Step 2: Convert to fraction form
    78,527.76/108,365.88 = 44,539.32/x
  3. Step 3: Cross multiply
    78,527.76x = 108,365.88 × 44,539.32
  4. Step 4: Simplify right side
    78,527.76x = 4,826,542,606.40
  5. Step 5: Solve for x
    x = 4,826,542,606.40/78,527.76
  6. Step 6: Final answer
    x = 61,462.88

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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.