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Finding the Fourth Proportional to 173,707.33, 260,616.35 and 77,629.68

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Solution

The fourth proportional to 173,707.33, 260,616.35 and 77,629.68 is: 116,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,707.33 : 260,616.35 = 77,629.68 : x
  2. Step 2: Convert to fraction form
    173,707.33/260,616.35 = 77,629.68/x
  3. Step 3: Cross multiply
    173,707.33x = 260,616.35 × 77,629.68
  4. Step 4: Simplify right side
    173,707.33x = 20,231,563,465.12
  5. Step 5: Solve for x
    x = 20,231,563,465.12/173,707.33
  6. Step 6: Final answer
    x = 116,469.26

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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.