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Finding the Fourth Proportional to 78,759.44, 118,148.88 and 32,006.24

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Solution

The fourth proportional to 78,759.44, 118,148.88 and 32,006.24 is: 48,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,759.44 : 118,148.88 = 32,006.24 : x
  2. Step 2: Convert to fraction form
    78,759.44/118,148.88 = 32,006.24/x
  3. Step 3: Cross multiply
    78,759.44x = 118,148.88 × 32,006.24
  4. Step 4: Simplify right side
    78,759.44x = 3,781,501,409.01
  5. Step 5: Solve for x
    x = 3,781,501,409.01/78,759.44
  6. Step 6: Final answer
    x = 48,013.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.