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Finding the Fourth Proportional to 91,806,357.80, 137,709,536.70 and 23,649,049.55

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Solution

The fourth proportional to 91,806,357.80, 137,709,536.70 and 23,649,049.55 is: 35,473,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,806,357.80 : 137,709,536.70 = 23,649,049.55 : x
  2. Step 2: Convert to fraction form
    91,806,357.80/137,709,536.70 = 23,649,049.55/x
  3. Step 3: Cross multiply
    91,806,357.80x = 137,709,536.70 × 23,649,049.55
  4. Step 4: Simplify right side
    91,806,357.80x = 3,256,699,656,925,843.50
  5. Step 5: Solve for x
    x = 3,256,699,656,925,843.50/91,806,357.80
  6. Step 6: Final answer
    x = 35,473,574.33

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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.