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Finding the Fourth Proportional to 144,797.40, 199,820.44 and 88,208.76

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Solution

The fourth proportional to 144,797.40, 199,820.44 and 88,208.76 is: 121,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,797.40 : 199,820.44 = 88,208.76 : x
  2. Step 2: Convert to fraction form
    144,797.40/199,820.44 = 88,208.76/x
  3. Step 3: Cross multiply
    144,797.40x = 199,820.44 × 88,208.76
  4. Step 4: Simplify right side
    144,797.40x = 17,625,913,235.05
  5. Step 5: Solve for x
    x = 17,625,913,235.05/144,797.40
  6. Step 6: Final answer
    x = 121,728.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.