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Finding the Fourth Proportional to 134,677, 185,860.02 and 75,061

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Solution

The fourth proportional to 134,677, 185,860.02 and 75,061 is: 103,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,677 : 185,860.02 = 75,061 : x
  2. Step 2: Convert to fraction form
    134,677/185,860.02 = 75,061/x
  3. Step 3: Cross multiply
    134,677x = 185,860.02 × 75,061
  4. Step 4: Simplify right side
    134,677x = 13,950,838,961.22
  5. Step 5: Solve for x
    x = 13,950,838,961.22/134,677
  6. Step 6: Final answer
    x = 103,587.39

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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.