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Finding the Fourth Proportional to 89,363.88, 134,004.93 and 53,356.67

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Solution

The fourth proportional to 89,363.88, 134,004.93 and 53,356.67 is: 80,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,363.88 : 134,004.93 = 53,356.67 : x
  2. Step 2: Convert to fraction form
    89,363.88/134,004.93 = 53,356.67/x
  3. Step 3: Cross multiply
    89,363.88x = 134,004.93 × 53,356.67
  4. Step 4: Simplify right side
    89,363.88x = 7,150,056,828.38
  5. Step 5: Solve for x
    x = 7,150,056,828.38/89,363.88
  6. Step 6: Final answer
    x = 80,010.59

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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.