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Finding the Fourth Proportional to 101,576.39, 140,164.74 and 56,253.17

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Solution

The fourth proportional to 101,576.39, 140,164.74 and 56,253.17 is: 77,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,576.39 : 140,164.74 = 56,253.17 : x
  2. Step 2: Convert to fraction form
    101,576.39/140,164.74 = 56,253.17/x
  3. Step 3: Cross multiply
    101,576.39x = 140,164.74 × 56,253.17
  4. Step 4: Simplify right side
    101,576.39x = 7,884,710,246.40
  5. Step 5: Solve for x
    x = 7,884,710,246.40/101,576.39
  6. Step 6: Final answer
    x = 77,623.46

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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.