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Finding the Fourth Proportional to 58,891.10, 88,120.65 and 43,339.10

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Solution

The fourth proportional to 58,891.10, 88,120.65 and 43,339.10 is: 64,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,891.10 : 88,120.65 = 43,339.10 : x
  2. Step 2: Convert to fraction form
    58,891.10/88,120.65 = 43,339.10/x
  3. Step 3: Cross multiply
    58,891.10x = 88,120.65 × 43,339.10
  4. Step 4: Simplify right side
    58,891.10x = 3,819,069,662.42
  5. Step 5: Solve for x
    x = 3,819,069,662.42/58,891.10
  6. Step 6: Final answer
    x = 64,849.69

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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.