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Finding the Fourth Proportional to 95,762.55, 143,643.83 and 81,000.30

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Solution

The fourth proportional to 95,762.55, 143,643.83 and 81,000.30 is: 121,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,762.55 : 143,643.83 = 81,000.30 : x
  2. Step 2: Convert to fraction form
    95,762.55/143,643.83 = 81,000.30/x
  3. Step 3: Cross multiply
    95,762.55x = 143,643.83 × 81,000.30
  4. Step 4: Simplify right side
    95,762.55x = 11,635,192,918.15
  5. Step 5: Solve for x
    x = 11,635,192,918.15/95,762.55
  6. Step 6: Final answer
    x = 121,500.45

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1.5x scale

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.