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Finding the Fourth Proportional to 71,577.54, 107,162.19 and 56,808

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Solution

The fourth proportional to 71,577.54, 107,162.19 and 56,808 is: 85,050.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,577.54 : 107,162.19 = 56,808 : x
  2. Step 2: Convert to fraction form
    71,577.54/107,162.19 = 56,808/x
  3. Step 3: Cross multiply
    71,577.54x = 107,162.19 × 56,808
  4. Step 4: Simplify right side
    71,577.54x = 6,087,669,689.52
  5. Step 5: Solve for x
    x = 6,087,669,689.52/71,577.54
  6. Step 6: Final answer
    x = 85,050.00

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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.