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Finding the Fourth Proportional to 172,174.25, 257,925.06 and 97,067.22

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Solution

The fourth proportional to 172,174.25, 257,925.06 and 97,067.22 is: 145,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,174.25 : 257,925.06 = 97,067.22 : x
  2. Step 2: Convert to fraction form
    172,174.25/257,925.06 = 97,067.22/x
  3. Step 3: Cross multiply
    172,174.25x = 257,925.06 × 97,067.22
  4. Step 4: Simplify right side
    172,174.25x = 25,036,068,542.53
  5. Step 5: Solve for x
    x = 25,036,068,542.53/172,174.25
  6. Step 6: Final answer
    x = 145,411.23

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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.