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Finding the Fourth Proportional to 60,559,568.40, 90,839,352.60 and 60,559,568.40

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Solution

The fourth proportional to 60,559,568.40, 90,839,352.60 and 60,559,568.40 is: 90,839,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,559,568.40 : 90,839,352.60 = 60,559,568.40 : x
  2. Step 2: Convert to fraction form
    60,559,568.40/90,839,352.60 = 60,559,568.40/x
  3. Step 3: Cross multiply
    60,559,568.40x = 90,839,352.60 × 60,559,568.40
  4. Step 4: Simplify right side
    60,559,568.40x = 5,501,191,987,191,417
  5. Step 5: Solve for x
    x = 5,501,191,987,191,417/60,559,568.40
  6. Step 6: Final answer
    x = 90,839,352.60

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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.