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Finding the Fourth Proportional to 89,232.76, 133,670.67 and 53,674.45

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Solution

The fourth proportional to 89,232.76, 133,670.67 and 53,674.45 is: 80,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.76 : 133,670.67 = 53,674.45 : x
  2. Step 2: Convert to fraction form
    89,232.76/133,670.67 = 53,674.45/x
  3. Step 3: Cross multiply
    89,232.76x = 133,670.67 × 53,674.45
  4. Step 4: Simplify right side
    89,232.76x = 7,174,699,693.38
  5. Step 5: Solve for x
    x = 7,174,699,693.38/89,232.76
  6. Step 6: Final answer
    x = 80,404.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.