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Finding the Fourth Proportional to 93,460.60, 140,223.30 and 40,907.80

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Solution

The fourth proportional to 93,460.60, 140,223.30 and 40,907.80 is: 61,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,460.60 : 140,223.30 = 40,907.80 : x
  2. Step 2: Convert to fraction form
    93,460.60/140,223.30 = 40,907.80/x
  3. Step 3: Cross multiply
    93,460.60x = 140,223.30 × 40,907.80
  4. Step 4: Simplify right side
    93,460.60x = 5,736,226,711.74
  5. Step 5: Solve for x
    x = 5,736,226,711.74/93,460.60
  6. Step 6: Final answer
    x = 61,375.88

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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.