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Finding the Fourth Proportional to 67,008,421.65, 93,620,471.55 and 67,008,421.65

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Solution

The fourth proportional to 67,008,421.65, 93,620,471.55 and 67,008,421.65 is: 93,620,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,008,421.65 : 93,620,471.55 = 67,008,421.65 : x
  2. Step 2: Convert to fraction form
    67,008,421.65/93,620,471.55 = 67,008,421.65/x
  3. Step 3: Cross multiply
    67,008,421.65x = 93,620,471.55 × 67,008,421.65
  4. Step 4: Simplify right side
    67,008,421.65x = 6,273,360,032,694,229
  5. Step 5: Solve for x
    x = 6,273,360,032,694,229/67,008,421.65
  6. Step 6: Final answer
    x = 93,620,471.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.