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Finding the Fourth Proportional to 88,968.76, 122,075.51 and 88,132.84

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Solution

The fourth proportional to 88,968.76, 122,075.51 and 88,132.84 is: 120,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,968.76 : 122,075.51 = 88,132.84 : x
  2. Step 2: Convert to fraction form
    88,968.76/122,075.51 = 88,132.84/x
  3. Step 3: Cross multiply
    88,968.76x = 122,075.51 × 88,132.84
  4. Step 4: Simplify right side
    88,968.76x = 10,758,861,390.75
  5. Step 5: Solve for x
    x = 10,758,861,390.75/88,968.76
  6. Step 6: Final answer
    x = 120,928.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.