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Finding the Fourth Proportional to 95,873.60, 143,482.08 and 79,031.36

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Solution

The fourth proportional to 95,873.60, 143,482.08 and 79,031.36 is: 118,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,873.60 : 143,482.08 = 79,031.36 : x
  2. Step 2: Convert to fraction form
    95,873.60/143,482.08 = 79,031.36/x
  3. Step 3: Cross multiply
    95,873.60x = 143,482.08 × 79,031.36
  4. Step 4: Simplify right side
    95,873.60x = 11,339,583,918.03
  5. Step 5: Solve for x
    x = 11,339,583,918.03/95,873.60
  6. Step 6: Final answer
    x = 118,276.40

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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.