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Finding the Fourth Proportional to 93,502.80, 140,170.77 and 40,870.62

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Solution

The fourth proportional to 93,502.80, 140,170.77 and 40,870.62 is: 61,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,502.80 : 140,170.77 = 40,870.62 : x
  2. Step 2: Convert to fraction form
    93,502.80/140,170.77 = 40,870.62/x
  3. Step 3: Cross multiply
    93,502.80x = 140,170.77 × 40,870.62
  4. Step 4: Simplify right side
    93,502.80x = 5,728,866,275.78
  5. Step 5: Solve for x
    x = 5,728,866,275.78/93,502.80
  6. Step 6: Final answer
    x = 61,269.46

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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.