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Finding the Fourth Proportional to 53,880,231.60, 80,820,347.40 and 53,880,231.60

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Solution

The fourth proportional to 53,880,231.60, 80,820,347.40 and 53,880,231.60 is: 80,820,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880,231.60 : 80,820,347.40 = 53,880,231.60 : x
  2. Step 2: Convert to fraction form
    53,880,231.60/80,820,347.40 = 53,880,231.60/x
  3. Step 3: Cross multiply
    53,880,231.60x = 80,820,347.40 × 53,880,231.60
  4. Step 4: Simplify right side
    53,880,231.60x = 4,354,619,035,904,458.50
  5. Step 5: Solve for x
    x = 4,354,619,035,904,458.50/53,880,231.60
  6. Step 6: Final answer
    x = 80,820,347.40

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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.