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Finding the Fourth Proportional to 89,395.95, 134,211.12 and 59,945.57

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Solution

The fourth proportional to 89,395.95, 134,211.12 and 59,945.57 is: 89,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,395.95 : 134,211.12 = 59,945.57 : x
  2. Step 2: Convert to fraction form
    89,395.95/134,211.12 = 59,945.57/x
  3. Step 3: Cross multiply
    89,395.95x = 134,211.12 × 59,945.57
  4. Step 4: Simplify right side
    89,395.95x = 8,045,361,417.68
  5. Step 5: Solve for x
    x = 8,045,361,417.68/89,395.95
  6. Step 6: Final answer
    x = 89,996.93

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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.