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Finding the Fourth Proportional to 252,484.76, 348,555.23 and 157,022.21

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Solution

The fourth proportional to 252,484.76, 348,555.23 and 157,022.21 is: 216,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,484.76 : 348,555.23 = 157,022.21 : x
  2. Step 2: Convert to fraction form
    252,484.76/348,555.23 = 157,022.21/x
  3. Step 3: Cross multiply
    252,484.76x = 348,555.23 × 157,022.21
  4. Step 4: Simplify right side
    252,484.76x = 54,730,912,521.66
  5. Step 5: Solve for x
    x = 54,730,912,521.66/252,484.76
  6. Step 6: Final answer
    x = 216,769.17

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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.