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Finding the Fourth Proportional to 173,366.88, 260,054.56 and 53,426.40

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Solution

The fourth proportional to 173,366.88, 260,054.56 and 53,426.40 is: 80,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,366.88 : 260,054.56 = 53,426.40 : x
  2. Step 2: Convert to fraction form
    173,366.88/260,054.56 = 53,426.40/x
  3. Step 3: Cross multiply
    173,366.88x = 260,054.56 × 53,426.40
  4. Step 4: Simplify right side
    173,366.88x = 13,893,778,944.38
  5. Step 5: Solve for x
    x = 13,893,778,944.38/173,366.88
  6. Step 6: Final answer
    x = 80,140.91

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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.