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Finding the Fourth Proportional to 117,797.77, 162,560.80 and 64,082.67

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Solution

The fourth proportional to 117,797.77, 162,560.80 and 64,082.67 is: 88,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,797.77 : 162,560.80 = 64,082.67 : x
  2. Step 2: Convert to fraction form
    117,797.77/162,560.80 = 64,082.67/x
  3. Step 3: Cross multiply
    117,797.77x = 162,560.80 × 64,082.67
  4. Step 4: Simplify right side
    117,797.77x = 10,417,330,101.34
  5. Step 5: Solve for x
    x = 10,417,330,101.34/117,797.77
  6. Step 6: Final answer
    x = 88,434.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.