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Finding the Fourth Proportional to 144,111.97, 216,174.17 and 44,276.05

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Solution

The fourth proportional to 144,111.97, 216,174.17 and 44,276.05 is: 66,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,111.97 : 216,174.17 = 44,276.05 : x
  2. Step 2: Convert to fraction form
    144,111.97/216,174.17 = 44,276.05/x
  3. Step 3: Cross multiply
    144,111.97x = 216,174.17 × 44,276.05
  4. Step 4: Simplify right side
    144,111.97x = 9,571,338,359.63
  5. Step 5: Solve for x
    x = 9,571,338,359.63/144,111.97
  6. Step 6: Final answer
    x = 66,415.98

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1.5x scale

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.