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Finding the Fourth Proportional to 91,270.54, 126,597.74 and 88,842.98

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Solution

The fourth proportional to 91,270.54, 126,597.74 and 88,842.98 is: 123,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,270.54 : 126,597.74 = 88,842.98 : x
  2. Step 2: Convert to fraction form
    91,270.54/126,597.74 = 88,842.98/x
  3. Step 3: Cross multiply
    91,270.54x = 126,597.74 × 88,842.98
  4. Step 4: Simplify right side
    91,270.54x = 11,247,320,482.87
  5. Step 5: Solve for x
    x = 11,247,320,482.87/91,270.54
  6. Step 6: Final answer
    x = 123,230.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.