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Finding the Fourth Proportional to 125,093.35, 172,628.57 and 67,732.72

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Solution

The fourth proportional to 125,093.35, 172,628.57 and 67,732.72 is: 93,471.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,093.35 : 172,628.57 = 67,732.72 : x
  2. Step 2: Convert to fraction form
    125,093.35/172,628.57 = 67,732.72/x
  3. Step 3: Cross multiply
    125,093.35x = 172,628.57 × 67,732.72
  4. Step 4: Simplify right side
    125,093.35x = 11,692,602,923.61
  5. Step 5: Solve for x
    x = 11,692,602,923.61/125,093.35
  6. Step 6: Final answer
    x = 93,471.02

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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.