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Finding the Fourth Proportional to 73,165.55, 100,966.32 and 40,900.23

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Solution

The fourth proportional to 73,165.55, 100,966.32 and 40,900.23 is: 56,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,165.55 : 100,966.32 = 40,900.23 : x
  2. Step 2: Convert to fraction form
    73,165.55/100,966.32 = 40,900.23/x
  3. Step 3: Cross multiply
    73,165.55x = 100,966.32 × 40,900.23
  4. Step 4: Simplify right side
    73,165.55x = 4,129,545,710.25
  5. Step 5: Solve for x
    x = 4,129,545,710.25/73,165.55
  6. Step 6: Final answer
    x = 56,441.13

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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.