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Finding the Fourth Proportional to 88,704.25, 122,416.86 and 50,980.93

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Solution

The fourth proportional to 88,704.25, 122,416.86 and 50,980.93 is: 70,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,704.25 : 122,416.86 = 50,980.93 : x
  2. Step 2: Convert to fraction form
    88,704.25/122,416.86 = 50,980.93/x
  3. Step 3: Cross multiply
    88,704.25x = 122,416.86 × 50,980.93
  4. Step 4: Simplify right side
    88,704.25x = 6,240,925,370.48
  5. Step 5: Solve for x
    x = 6,240,925,370.48/88,704.25
  6. Step 6: Final answer
    x = 70,356.55

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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.