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Finding the Fourth Proportional to 71,556,551.20, 107,334,826.80 and 71,556,551.20

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Solution

The fourth proportional to 71,556,551.20, 107,334,826.80 and 71,556,551.20 is: 107,334,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,556,551.20 : 107,334,826.80 = 71,556,551.20 : x
  2. Step 2: Convert to fraction form
    71,556,551.20/107,334,826.80 = 71,556,551.20/x
  3. Step 3: Cross multiply
    71,556,551.20x = 107,334,826.80 × 71,556,551.20
  4. Step 4: Simplify right side
    71,556,551.20x = 7,680,510,029,457,332
  5. Step 5: Solve for x
    x = 7,680,510,029,457,332/71,556,551.20
  6. Step 6: Final answer
    x = 107,334,826.80

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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.