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Finding the Fourth Proportional to 125,551.42, 173,263.95 and 68,963.98

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Solution

The fourth proportional to 125,551.42, 173,263.95 and 68,963.98 is: 95,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,551.42 : 173,263.95 = 68,963.98 : x
  2. Step 2: Convert to fraction form
    125,551.42/173,263.95 = 68,963.98/x
  3. Step 3: Cross multiply
    125,551.42x = 173,263.95 × 68,963.98
  4. Step 4: Simplify right side
    125,551.42x = 11,948,971,582.52
  5. Step 5: Solve for x
    x = 11,948,971,582.52/125,551.42
  6. Step 6: Final answer
    x = 95,171.93

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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.