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Finding the Fourth Proportional to 124,211, 171,454.38 and 73,908.92

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Solution

The fourth proportional to 124,211, 171,454.38 and 73,908.92 is: 102,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211 : 171,454.38 = 73,908.92 : x
  2. Step 2: Convert to fraction form
    124,211/171,454.38 = 73,908.92/x
  3. Step 3: Cross multiply
    124,211x = 171,454.38 × 73,908.92
  4. Step 4: Simplify right side
    124,211x = 12,672,008,055.07
  5. Step 5: Solve for x
    x = 12,672,008,055.07/124,211
  6. Step 6: Final answer
    x = 102,020.01

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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.