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Finding the Fourth Proportional to 95,427.80, 143,141.70 and 93,240.80

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Solution

The fourth proportional to 95,427.80, 143,141.70 and 93,240.80 is: 139,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,427.80 : 143,141.70 = 93,240.80 : x
  2. Step 2: Convert to fraction form
    95,427.80/143,141.70 = 93,240.80/x
  3. Step 3: Cross multiply
    95,427.80x = 143,141.70 × 93,240.80
  4. Step 4: Simplify right side
    95,427.80x = 13,346,646,621.36
  5. Step 5: Solve for x
    x = 13,346,646,621.36/95,427.80
  6. Step 6: Final answer
    x = 139,861.20

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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.