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Finding the Fourth Proportional to 173,637.60, 260,456.40 and 55,320.90

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Solution

The fourth proportional to 173,637.60, 260,456.40 and 55,320.90 is: 82,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,637.60 : 260,456.40 = 55,320.90 : x
  2. Step 2: Convert to fraction form
    173,637.60/260,456.40 = 55,320.90/x
  3. Step 3: Cross multiply
    173,637.60x = 260,456.40 × 55,320.90
  4. Step 4: Simplify right side
    173,637.60x = 14,408,682,458.76
  5. Step 5: Solve for x
    x = 14,408,682,458.76/173,637.60
  6. Step 6: Final answer
    x = 82,981.35

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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.