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Finding the Fourth Proportional to 66,434,674.80, 99,676,895.40 and 26,074,124.40

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Solution

The fourth proportional to 66,434,674.80, 99,676,895.40 and 26,074,124.40 is: 39,120,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,674.80 : 99,676,895.40 = 26,074,124.40 : x
  2. Step 2: Convert to fraction form
    66,434,674.80/99,676,895.40 = 26,074,124.40/x
  3. Step 3: Cross multiply
    66,434,674.80x = 99,676,895.40 × 26,074,124.40
  4. Step 4: Simplify right side
    66,434,674.80x = 2,598,987,770,465,388
  5. Step 5: Solve for x
    x = 2,598,987,770,465,388/66,434,674.80
  6. Step 6: Final answer
    x = 39,120,952.70

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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.