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Finding the Fourth Proportional to 169,882.40, 234,417.34 and 93,388.88

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Solution

The fourth proportional to 169,882.40, 234,417.34 and 93,388.88 is: 128,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,882.40 : 234,417.34 = 93,388.88 : x
  2. Step 2: Convert to fraction form
    169,882.40/234,417.34 = 93,388.88/x
  3. Step 3: Cross multiply
    169,882.40x = 234,417.34 × 93,388.88
  4. Step 4: Simplify right side
    169,882.40x = 21,891,972,835.18
  5. Step 5: Solve for x
    x = 21,891,972,835.18/169,882.40
  6. Step 6: Final answer
    x = 128,865.46

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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.