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Finding the Fourth Proportional to 137,247.50, 205,887.86 and 48,482.84

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Solution

The fourth proportional to 137,247.50, 205,887.86 and 48,482.84 is: 72,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,247.50 : 205,887.86 = 48,482.84 : x
  2. Step 2: Convert to fraction form
    137,247.50/205,887.86 = 48,482.84/x
  3. Step 3: Cross multiply
    137,247.50x = 205,887.86 × 48,482.84
  4. Step 4: Simplify right side
    137,247.50x = 9,982,028,174.32
  5. Step 5: Solve for x
    x = 9,982,028,174.32/137,247.50
  6. Step 6: Final answer
    x = 72,730.13

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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.