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Finding the Fourth Proportional to 79,577.76, 119,366 and 29,656.16

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Solution

The fourth proportional to 79,577.76, 119,366 and 29,656.16 is: 44,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,577.76 : 119,366 = 29,656.16 : x
  2. Step 2: Convert to fraction form
    79,577.76/119,366 = 29,656.16/x
  3. Step 3: Cross multiply
    79,577.76x = 119,366 × 29,656.16
  4. Step 4: Simplify right side
    79,577.76x = 3,539,937,194.56
  5. Step 5: Solve for x
    x = 3,539,937,194.56/79,577.76
  6. Step 6: Final answer
    x = 44,484.00

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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.