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Finding the Fourth Proportional to 144,998.88, 200,101.50 and 81,341.16

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Solution

The fourth proportional to 144,998.88, 200,101.50 and 81,341.16 is: 112,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,998.88 : 200,101.50 = 81,341.16 : x
  2. Step 2: Convert to fraction form
    144,998.88/200,101.50 = 81,341.16/x
  3. Step 3: Cross multiply
    144,998.88x = 200,101.50 × 81,341.16
  4. Step 4: Simplify right side
    144,998.88x = 16,276,488,127.74
  5. Step 5: Solve for x
    x = 16,276,488,127.74/144,998.88
  6. Step 6: Final answer
    x = 112,252.51

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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.