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Finding the Fourth Proportional to 73,443.90, 101,352.59 and 41,612.80

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Solution

The fourth proportional to 73,443.90, 101,352.59 and 41,612.80 is: 57,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,443.90 : 101,352.59 = 41,612.80 : x
  2. Step 2: Convert to fraction form
    73,443.90/101,352.59 = 41,612.80/x
  3. Step 3: Cross multiply
    73,443.90x = 101,352.59 × 41,612.80
  4. Step 4: Simplify right side
    73,443.90x = 4,217,564,938.02
  5. Step 5: Solve for x
    x = 4,217,564,938.02/73,443.90
  6. Step 6: Final answer
    x = 57,425.67

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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.