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Finding the Fourth Proportional to 173,237.87, 259,856.81 and 65,187.55

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Solution

The fourth proportional to 173,237.87, 259,856.81 and 65,187.55 is: 97,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,237.87 : 259,856.81 = 65,187.55 : x
  2. Step 2: Convert to fraction form
    173,237.87/259,856.81 = 65,187.55/x
  3. Step 3: Cross multiply
    173,237.87x = 259,856.81 × 65,187.55
  4. Step 4: Simplify right side
    173,237.87x = 16,939,429,038.05
  5. Step 5: Solve for x
    x = 16,939,429,038.05/173,237.87
  6. Step 6: Final answer
    x = 97,781.33

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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.