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Finding the Fourth Proportional to 124,170.89, 171,355.80 and 67,582.67

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Solution

The fourth proportional to 124,170.89, 171,355.80 and 67,582.67 is: 93,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,170.89 : 171,355.80 = 67,582.67 : x
  2. Step 2: Convert to fraction form
    124,170.89/171,355.80 = 67,582.67/x
  3. Step 3: Cross multiply
    124,170.89x = 171,355.80 × 67,582.67
  4. Step 4: Simplify right side
    124,170.89x = 11,580,682,483.99
  5. Step 5: Solve for x
    x = 11,580,682,483.99/124,170.89
  6. Step 6: Final answer
    x = 93,264.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.