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Finding the Fourth Proportional to 173,634.48, 260,490.96 and 55,312.56

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Solution

The fourth proportional to 173,634.48, 260,490.96 and 55,312.56 is: 82,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,634.48 : 260,490.96 = 55,312.56 : x
  2. Step 2: Convert to fraction form
    173,634.48/260,490.96 = 55,312.56/x
  3. Step 3: Cross multiply
    173,634.48x = 260,490.96 × 55,312.56
  4. Step 4: Simplify right side
    173,634.48x = 14,408,421,854.46
  5. Step 5: Solve for x
    x = 14,408,421,854.46/173,634.48
  6. Step 6: Final answer
    x = 82,981.34

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1.5x scale

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.