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Finding the Fourth Proportional to 144,552.15, 216,848.88 and 44,720.87

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Solution

The fourth proportional to 144,552.15, 216,848.88 and 44,720.87 is: 67,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,552.15 : 216,848.88 = 44,720.87 : x
  2. Step 2: Convert to fraction form
    144,552.15/216,848.88 = 44,720.87/x
  3. Step 3: Cross multiply
    144,552.15x = 216,848.88 × 44,720.87
  4. Step 4: Simplify right side
    144,552.15x = 9,697,669,487.88
  5. Step 5: Solve for x
    x = 9,697,669,487.88/144,552.15
  6. Step 6: Final answer
    x = 67,087.69

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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.