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Finding the Fourth Proportional to 91,633,880.80, 137,447,710.80 and 23,477,240.80

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Solution

The fourth proportional to 91,633,880.80, 137,447,710.80 and 23,477,240.80 is: 35,215,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,633,880.80 : 137,447,710.80 = 23,477,240.80 : x
  2. Step 2: Convert to fraction form
    91,633,880.80/137,447,710.80 = 23,477,240.80/x
  3. Step 3: Cross multiply
    91,633,880.80x = 137,447,710.80 × 23,477,240.80
  4. Step 4: Simplify right side
    91,633,880.80x = 3,226,893,003,860,361
  5. Step 5: Solve for x
    x = 3,226,893,003,860,361/91,633,880.80
  6. Step 6: Final answer
    x = 35,215,064.29

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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.