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Finding the Fourth Proportional to 73,655.16, 101,639.33 and 43,433.55

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Solution

The fourth proportional to 73,655.16, 101,639.33 and 43,433.55 is: 59,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,655.16 : 101,639.33 = 43,433.55 : x
  2. Step 2: Convert to fraction form
    73,655.16/101,639.33 = 43,433.55/x
  3. Step 3: Cross multiply
    73,655.16x = 101,639.33 × 43,433.55
  4. Step 4: Simplify right side
    73,655.16x = 4,414,556,989.39
  5. Step 5: Solve for x
    x = 4,414,556,989.39/73,655.16
  6. Step 6: Final answer
    x = 59,935.48

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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.