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Finding the Fourth Proportional to 173,449.28, 260,210.64 and 61,124.96

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Solution

The fourth proportional to 173,449.28, 260,210.64 and 61,124.96 is: 91,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,449.28 : 260,210.64 = 61,124.96 : x
  2. Step 2: Convert to fraction form
    173,449.28/260,210.64 = 61,124.96/x
  3. Step 3: Cross multiply
    173,449.28x = 260,210.64 × 61,124.96
  4. Step 4: Simplify right side
    173,449.28x = 15,905,364,961.57
  5. Step 5: Solve for x
    x = 15,905,364,961.57/173,449.28
  6. Step 6: Final answer
    x = 91,700.38

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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.