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Finding the Fourth Proportional to 247,136.52, 370,482.84 and 120,705.24

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Solution

The fourth proportional to 247,136.52, 370,482.84 and 120,705.24 is: 180,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,136.52 : 370,482.84 = 120,705.24 : x
  2. Step 2: Convert to fraction form
    247,136.52/370,482.84 = 120,705.24/x
  3. Step 3: Cross multiply
    247,136.52x = 370,482.84 × 120,705.24
  4. Step 4: Simplify right side
    247,136.52x = 44,719,220,118.08
  5. Step 5: Solve for x
    x = 44,719,220,118.08/247,136.52
  6. Step 6: Final answer
    x = 180,949.46

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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.