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Finding the Fourth Proportional to 171,532.74, 236,637.54 and 103,527.97

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Solution

The fourth proportional to 171,532.74, 236,637.54 and 103,527.97 is: 142,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,532.74 : 236,637.54 = 103,527.97 : x
  2. Step 2: Convert to fraction form
    171,532.74/236,637.54 = 103,527.97/x
  3. Step 3: Cross multiply
    171,532.74x = 236,637.54 × 103,527.97
  4. Step 4: Simplify right side
    171,532.74x = 24,498,604,141.99
  5. Step 5: Solve for x
    x = 24,498,604,141.99/171,532.74
  6. Step 6: Final answer
    x = 142,821.74

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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.