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Finding the Fourth Proportional to 262,450,159.80, 393,675,239.70 and 89,869,615.80

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Solution

The fourth proportional to 262,450,159.80, 393,675,239.70 and 89,869,615.80 is: 134,804,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,450,159.80 : 393,675,239.70 = 89,869,615.80 : x
  2. Step 2: Convert to fraction form
    262,450,159.80/393,675,239.70 = 89,869,615.80/x
  3. Step 3: Cross multiply
    262,450,159.80x = 393,675,239.70 × 89,869,615.80
  4. Step 4: Simplify right side
    262,450,159.80x = 35,379,442,541,811,904
  5. Step 5: Solve for x
    x = 35,379,442,541,811,904/262,450,159.80
  6. Step 6: Final answer
    x = 134,804,423.70

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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.