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Finding the Fourth Proportional to 53,762,810.40, 80,532,241.20 and 53,762,810.40

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Solution

The fourth proportional to 53,762,810.40, 80,532,241.20 and 53,762,810.40 is: 80,532,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,762,810.40 : 80,532,241.20 = 53,762,810.40 : x
  2. Step 2: Convert to fraction form
    53,762,810.40/80,532,241.20 = 53,762,810.40/x
  3. Step 3: Cross multiply
    53,762,810.40x = 80,532,241.20 × 53,762,810.40
  4. Step 4: Simplify right side
    53,762,810.40x = 4,329,639,614,722,668.50
  5. Step 5: Solve for x
    x = 4,329,639,614,722,668.50/53,762,810.40
  6. Step 6: Final answer
    x = 80,532,241.20

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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.