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Finding the Fourth Proportional to 173,707.58, 260,616.72 and 77,629.93

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Solution

The fourth proportional to 173,707.58, 260,616.72 and 77,629.93 is: 116,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,707.58 : 260,616.72 = 77,629.93 : x
  2. Step 2: Convert to fraction form
    173,707.58/260,616.72 = 77,629.93/x
  3. Step 3: Cross multiply
    173,707.58x = 260,616.72 × 77,629.93
  4. Step 4: Simplify right side
    173,707.58x = 20,231,657,730.43
  5. Step 5: Solve for x
    x = 20,231,657,730.43/173,707.58
  6. Step 6: Final answer
    x = 116,469.63

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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.