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Finding the Fourth Proportional to 181,345.57, 250,055.00 and 123,994.33

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Solution

The fourth proportional to 181,345.57, 250,055.00 and 123,994.33 is: 170,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,345.57 : 250,055.00 = 123,994.33 : x
  2. Step 2: Convert to fraction form
    181,345.57/250,055.00 = 123,994.33/x
  3. Step 3: Cross multiply
    181,345.57x = 250,055.00 × 123,994.33
  4. Step 4: Simplify right side
    181,345.57x = 31,005,401,408.02
  5. Step 5: Solve for x
    x = 31,005,401,408.02/181,345.57
  6. Step 6: Final answer
    x = 170,974.13

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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.