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Finding the Fourth Proportional to 123,346.76, 185,031.72 and 34,599.87

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Solution

The fourth proportional to 123,346.76, 185,031.72 and 34,599.87 is: 51,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,346.76 : 185,031.72 = 34,599.87 : x
  2. Step 2: Convert to fraction form
    123,346.76/185,031.72 = 34,599.87/x
  3. Step 3: Cross multiply
    123,346.76x = 185,031.72 × 34,599.87
  4. Step 4: Simplify right side
    123,346.76x = 6,402,073,457.88
  5. Step 5: Solve for x
    x = 6,402,073,457.88/123,346.76
  6. Step 6: Final answer
    x = 51,903.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.