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Finding the Fourth Proportional to 144,191.98, 216,287.92 and 104,998.51

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Solution

The fourth proportional to 144,191.98, 216,287.92 and 104,998.51 is: 157,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,191.98 : 216,287.92 = 104,998.51 : x
  2. Step 2: Convert to fraction form
    144,191.98/216,287.92 = 104,998.51/x
  3. Step 3: Cross multiply
    144,191.98x = 216,287.92 × 104,998.51
  4. Step 4: Simplify right side
    144,191.98x = 22,709,909,331.00
  5. Step 5: Solve for x
    x = 22,709,909,331.00/144,191.98
  6. Step 6: Final answer
    x = 157,497.73

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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.