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Finding the Fourth Proportional to 124,055.88, 171,201.62 and 71,074.12

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Solution

The fourth proportional to 124,055.88, 171,201.62 and 71,074.12 is: 98,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,055.88 : 171,201.62 = 71,074.12 : x
  2. Step 2: Convert to fraction form
    124,055.88/171,201.62 = 71,074.12/x
  3. Step 3: Cross multiply
    124,055.88x = 171,201.62 × 71,074.12
  4. Step 4: Simplify right side
    124,055.88x = 12,168,004,484.07
  5. Step 5: Solve for x
    x = 12,168,004,484.07/124,055.88
  6. Step 6: Final answer
    x = 98,084.87

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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.