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Finding the Fourth Proportional to 119,642.76, 179,492.34 and 67,088.52

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Solution

The fourth proportional to 119,642.76, 179,492.34 and 67,088.52 is: 100,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,642.76 : 179,492.34 = 67,088.52 : x
  2. Step 2: Convert to fraction form
    119,642.76/179,492.34 = 67,088.52/x
  3. Step 3: Cross multiply
    119,642.76x = 179,492.34 × 67,088.52
  4. Step 4: Simplify right side
    119,642.76x = 12,041,875,441.94
  5. Step 5: Solve for x
    x = 12,041,875,441.94/119,642.76
  6. Step 6: Final answer
    x = 100,648.59

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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.