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Finding the Fourth Proportional to 162,504.78, 243,773.40 and 61,277.22

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Solution

The fourth proportional to 162,504.78, 243,773.40 and 61,277.22 is: 91,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,504.78 : 243,773.40 = 61,277.22 : x
  2. Step 2: Convert to fraction form
    162,504.78/243,773.40 = 61,277.22/x
  3. Step 3: Cross multiply
    162,504.78x = 243,773.40 × 61,277.22
  4. Step 4: Simplify right side
    162,504.78x = 14,937,756,261.95
  5. Step 5: Solve for x
    x = 14,937,756,261.95/162,504.78
  6. Step 6: Final answer
    x = 91,921.95

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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.