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Finding the Fourth Proportional to 73,952,843.40, 110,716,688.70 and 45,255,029.40

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Solution

The fourth proportional to 73,952,843.40, 110,716,688.70 and 45,255,029.40 is: 67,752,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,952,843.40 : 110,716,688.70 = 45,255,029.40 : x
  2. Step 2: Convert to fraction form
    73,952,843.40/110,716,688.70 = 45,255,029.40/x
  3. Step 3: Cross multiply
    73,952,843.40x = 110,716,688.70 × 45,255,029.40
  4. Step 4: Simplify right side
    73,952,843.40x = 5,010,487,002,189,148
  5. Step 5: Solve for x
    x = 5,010,487,002,189,148/73,952,843.40
  6. Step 6: Final answer
    x = 67,752,459.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.