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Finding the Fourth Proportional to 95,881.40, 143,822.10 and 43,393.40

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Solution

The fourth proportional to 95,881.40, 143,822.10 and 43,393.40 is: 65,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,881.40 : 143,822.10 = 43,393.40 : x
  2. Step 2: Convert to fraction form
    95,881.40/143,822.10 = 43,393.40/x
  3. Step 3: Cross multiply
    95,881.40x = 143,822.10 × 43,393.40
  4. Step 4: Simplify right side
    95,881.40x = 6,240,929,914.14
  5. Step 5: Solve for x
    x = 6,240,929,914.14/95,881.40
  6. Step 6: Final answer
    x = 65,090.10

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Similar ratio
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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.