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Finding the Fourth Proportional to 73,908,000.40, 110,736,029.40 and 63,074,477.20

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Solution

The fourth proportional to 73,908,000.40, 110,736,029.40 and 63,074,477.20 is: 94,504,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,908,000.40 : 110,736,029.40 = 63,074,477.20 : x
  2. Step 2: Convert to fraction form
    73,908,000.40/110,736,029.40 = 63,074,477.20/x
  3. Step 3: Cross multiply
    73,908,000.40x = 110,736,029.40 × 63,074,477.20
  4. Step 4: Simplify right side
    73,908,000.40x = 6,984,617,161,608,830
  5. Step 5: Solve for x
    x = 6,984,617,161,608,830/73,908,000.40
  6. Step 6: Final answer
    x = 94,504,209.61

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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.