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Finding the Fourth Proportional to 93,023.60, 139,567.80 and 40,470.80

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Solution

The fourth proportional to 93,023.60, 139,567.80 and 40,470.80 is: 60,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,023.60 : 139,567.80 = 40,470.80 : x
  2. Step 2: Convert to fraction form
    93,023.60/139,567.80 = 40,470.80/x
  3. Step 3: Cross multiply
    93,023.60x = 139,567.80 × 40,470.80
  4. Step 4: Simplify right side
    93,023.60x = 5,648,420,520.24
  5. Step 5: Solve for x
    x = 5,648,420,520.24/93,023.60
  6. Step 6: Final answer
    x = 60,720.30

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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.