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Finding the Fourth Proportional to 53,352,005.70, 74,894,361.90 and 53,352,005.70

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Solution

The fourth proportional to 53,352,005.70, 74,894,361.90 and 53,352,005.70 is: 74,894,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,352,005.70 : 74,894,361.90 = 53,352,005.70 : x
  2. Step 2: Convert to fraction form
    53,352,005.70/74,894,361.90 = 53,352,005.70/x
  3. Step 3: Cross multiply
    53,352,005.70x = 74,894,361.90 × 53,352,005.70
  4. Step 4: Simplify right side
    53,352,005.70x = 3,995,764,422,986,663.50
  5. Step 5: Solve for x
    x = 3,995,764,422,986,663.50/53,352,005.70
  6. Step 6: Final answer
    x = 74,894,361.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.