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Finding the Fourth Proportional to 89,750.79, 134,338.50 and 59,695.74

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Solution

The fourth proportional to 89,750.79, 134,338.50 and 59,695.74 is: 89,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,750.79 : 134,338.50 = 59,695.74 : x
  2. Step 2: Convert to fraction form
    89,750.79/134,338.50 = 59,695.74/x
  3. Step 3: Cross multiply
    89,750.79x = 134,338.50 × 59,695.74
  4. Step 4: Simplify right side
    89,750.79x = 8,019,436,167.99
  5. Step 5: Solve for x
    x = 8,019,436,167.99/89,750.79
  6. Step 6: Final answer
    x = 89,352.26

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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.