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Finding the Fourth Proportional to 112,675.61, 155,492.07 and 67,351.39

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Solution

The fourth proportional to 112,675.61, 155,492.07 and 67,351.39 is: 92,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,675.61 : 155,492.07 = 67,351.39 : x
  2. Step 2: Convert to fraction form
    112,675.61/155,492.07 = 67,351.39/x
  3. Step 3: Cross multiply
    112,675.61x = 155,492.07 × 67,351.39
  4. Step 4: Simplify right side
    112,675.61x = 10,472,607,048.48
  5. Step 5: Solve for x
    x = 10,472,607,048.48/112,675.61
  6. Step 6: Final answer
    x = 92,944.76

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1.5x scale

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.