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Finding the Fourth Proportional to 144,625.76, 216,911.88 and 44,767.32

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Solution

The fourth proportional to 144,625.76, 216,911.88 and 44,767.32 is: 67,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625.76 : 216,911.88 = 44,767.32 : x
  2. Step 2: Convert to fraction form
    144,625.76/216,911.88 = 44,767.32/x
  3. Step 3: Cross multiply
    144,625.76x = 216,911.88 × 44,767.32
  4. Step 4: Simplify right side
    144,625.76x = 9,710,563,543.76
  5. Step 5: Solve for x
    x = 9,710,563,543.76/144,625.76
  6. Step 6: Final answer
    x = 67,142.70

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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.