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Finding the Fourth Proportional to 59,109.60, 88,664.40 and 47,445.60

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Solution

The fourth proportional to 59,109.60, 88,664.40 and 47,445.60 is: 71,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,109.60 : 88,664.40 = 47,445.60 : x
  2. Step 2: Convert to fraction form
    59,109.60/88,664.40 = 47,445.60/x
  3. Step 3: Cross multiply
    59,109.60x = 88,664.40 × 47,445.60
  4. Step 4: Simplify right side
    59,109.60x = 4,206,735,656.64
  5. Step 5: Solve for x
    x = 4,206,735,656.64/59,109.60
  6. Step 6: Final answer
    x = 71,168.40

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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.