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Finding the Fourth Proportional to 99,004.52, 136,577.94 and 56,551.88

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Solution

The fourth proportional to 99,004.52, 136,577.94 and 56,551.88 is: 78,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,004.52 : 136,577.94 = 56,551.88 : x
  2. Step 2: Convert to fraction form
    99,004.52/136,577.94 = 56,551.88/x
  3. Step 3: Cross multiply
    99,004.52x = 136,577.94 × 56,551.88
  4. Step 4: Simplify right side
    99,004.52x = 7,723,739,273.53
  5. Step 5: Solve for x
    x = 7,723,739,273.53/99,004.52
  6. Step 6: Final answer
    x = 78,014.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.