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Finding the Fourth Proportional to 139,866,529.68, 209,749,406.04 and 59,093,796.24

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Solution

The fourth proportional to 139,866,529.68, 209,749,406.04 and 59,093,796.24 is: 88,619,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,866,529.68 : 209,749,406.04 = 59,093,796.24 : x
  2. Step 2: Convert to fraction form
    139,866,529.68/209,749,406.04 = 59,093,796.24/x
  3. Step 3: Cross multiply
    139,866,529.68x = 209,749,406.04 × 59,093,796.24
  4. Step 4: Simplify right side
    139,866,529.68x = 12,394,888,661,988,786
  5. Step 5: Solve for x
    x = 12,394,888,661,988,786/139,866,529.68
  6. Step 6: Final answer
    x = 88,619,405.16

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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.