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Finding the Fourth Proportional to 73,228.20, 101,054.16 and 40,962.40

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Solution

The fourth proportional to 73,228.20, 101,054.16 and 40,962.40 is: 56,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,228.20 : 101,054.16 = 40,962.40 : x
  2. Step 2: Convert to fraction form
    73,228.20/101,054.16 = 40,962.40/x
  3. Step 3: Cross multiply
    73,228.20x = 101,054.16 × 40,962.40
  4. Step 4: Simplify right side
    73,228.20x = 4,139,420,923.58
  5. Step 5: Solve for x
    x = 4,139,420,923.58/73,228.20
  6. Step 6: Final answer
    x = 56,527.69

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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.