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Finding the Fourth Proportional to 88,953.80, 122,738.10 and 51,240.20

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Solution

The fourth proportional to 88,953.80, 122,738.10 and 51,240.20 is: 70,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,953.80 : 122,738.10 = 51,240.20 : x
  2. Step 2: Convert to fraction form
    88,953.80/122,738.10 = 51,240.20/x
  3. Step 3: Cross multiply
    88,953.80x = 122,738.10 × 51,240.20
  4. Step 4: Simplify right side
    88,953.80x = 6,289,124,791.62
  5. Step 5: Solve for x
    x = 6,289,124,791.62/88,953.80
  6. Step 6: Final answer
    x = 70,701.02

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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.