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Finding the Fourth Proportional to 76,011.53, 113,460.63 and 67,033.67

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Solution

The fourth proportional to 76,011.53, 113,460.63 and 67,033.67 is: 100,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,011.53 : 113,460.63 = 67,033.67 : x
  2. Step 2: Convert to fraction form
    76,011.53/113,460.63 = 67,033.67/x
  3. Step 3: Cross multiply
    76,011.53x = 113,460.63 × 67,033.67
  4. Step 4: Simplify right side
    76,011.53x = 7,605,681,862.11
  5. Step 5: Solve for x
    x = 7,605,681,862.11/76,011.53
  6. Step 6: Final answer
    x = 100,059.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.