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Finding the Fourth Proportional to 127,163.34, 175,484.52 and 70,574.76

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Solution

The fourth proportional to 127,163.34, 175,484.52 and 70,574.76 is: 97,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,163.34 : 175,484.52 = 70,574.76 : x
  2. Step 2: Convert to fraction form
    127,163.34/175,484.52 = 70,574.76/x
  3. Step 3: Cross multiply
    127,163.34x = 175,484.52 × 70,574.76
  4. Step 4: Simplify right side
    127,163.34x = 12,384,777,882.72
  5. Step 5: Solve for x
    x = 12,384,777,882.72/127,163.34
  6. Step 6: Final answer
    x = 97,392.68

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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.