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Finding the Fourth Proportional to 144,900.14, 200,005.25 and 101,892.79

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Solution

The fourth proportional to 144,900.14, 200,005.25 and 101,892.79 is: 140,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,900.14 : 200,005.25 = 101,892.79 : x
  2. Step 2: Convert to fraction form
    144,900.14/200,005.25 = 101,892.79/x
  3. Step 3: Cross multiply
    144,900.14x = 200,005.25 × 101,892.79
  4. Step 4: Simplify right side
    144,900.14x = 20,379,092,125.81
  5. Step 5: Solve for x
    x = 20,379,092,125.81/144,900.14
  6. Step 6: Final answer
    x = 140,642.32

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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.