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Finding the Fourth Proportional to 101,564.76, 140,159.70 and 55,624.44

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Solution

The fourth proportional to 101,564.76, 140,159.70 and 55,624.44 is: 76,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,564.76 : 140,159.70 = 55,624.44 : x
  2. Step 2: Convert to fraction form
    101,564.76/140,159.70 = 55,624.44/x
  3. Step 3: Cross multiply
    101,564.76x = 140,159.70 × 55,624.44
  4. Step 4: Simplify right side
    101,564.76x = 7,796,304,823.07
  5. Step 5: Solve for x
    x = 7,796,304,823.07/101,564.76
  6. Step 6: Final answer
    x = 76,761.91

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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.