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Finding the Fourth Proportional to 115,297.60, 172,600.80 and 101,473.60

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Solution

The fourth proportional to 115,297.60, 172,600.80 and 101,473.60 is: 151,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,297.60 : 172,600.80 = 101,473.60 : x
  2. Step 2: Convert to fraction form
    115,297.60/172,600.80 = 101,473.60/x
  3. Step 3: Cross multiply
    115,297.60x = 172,600.80 × 101,473.60
  4. Step 4: Simplify right side
    115,297.60x = 17,514,424,538.88
  5. Step 5: Solve for x
    x = 17,514,424,538.88/115,297.60
  6. Step 6: Final answer
    x = 151,906.24

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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.