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Finding the Fourth Proportional to 119,490.68, 179,346.74 and 60,368

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Solution

The fourth proportional to 119,490.68, 179,346.74 and 60,368 is: 90,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,490.68 : 179,346.74 = 60,368 : x
  2. Step 2: Convert to fraction form
    119,490.68/179,346.74 = 60,368/x
  3. Step 3: Cross multiply
    119,490.68x = 179,346.74 × 60,368
  4. Step 4: Simplify right side
    119,490.68x = 10,826,804,000.32
  5. Step 5: Solve for x
    x = 10,826,804,000.32/119,490.68
  6. Step 6: Final answer
    x = 90,607.94

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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.