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Finding the Fourth Proportional to 144,466.40, 216,715.80 and 44,625.80

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Solution

The fourth proportional to 144,466.40, 216,715.80 and 44,625.80 is: 66,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,466.40 : 216,715.80 = 44,625.80 : x
  2. Step 2: Convert to fraction form
    144,466.40/216,715.80 = 44,625.80/x
  3. Step 3: Cross multiply
    144,466.40x = 216,715.80 × 44,625.80
  4. Step 4: Simplify right side
    144,466.40x = 9,671,115,947.64
  5. Step 5: Solve for x
    x = 9,671,115,947.64/144,466.40
  6. Step 6: Final answer
    x = 66,943.70

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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.