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Finding the Fourth Proportional to 124,569.29, 171,906.10 and 67,980.67

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Solution

The fourth proportional to 124,569.29, 171,906.10 and 67,980.67 is: 93,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,569.29 : 171,906.10 = 67,980.67 : x
  2. Step 2: Convert to fraction form
    124,569.29/171,906.10 = 67,980.67/x
  3. Step 3: Cross multiply
    124,569.29x = 171,906.10 × 67,980.67
  4. Step 4: Simplify right side
    124,569.29x = 11,686,291,255.37
  5. Step 5: Solve for x
    x = 11,686,291,255.37/124,569.29
  6. Step 6: Final answer
    x = 93,813.58

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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.