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Finding the Fourth Proportional to 48,241,570.90, 67,717,358.30 and 48,241,570.90

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Solution

The fourth proportional to 48,241,570.90, 67,717,358.30 and 48,241,570.90 is: 67,717,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,241,570.90 : 67,717,358.30 = 48,241,570.90 : x
  2. Step 2: Convert to fraction form
    48,241,570.90/67,717,358.30 = 48,241,570.90/x
  3. Step 3: Cross multiply
    48,241,570.90x = 67,717,358.30 × 48,241,570.90
  4. Step 4: Simplify right side
    48,241,570.90x = 3,266,791,741,590,153
  5. Step 5: Solve for x
    x = 3,266,791,741,590,153/48,241,570.90
  6. Step 6: Final answer
    x = 67,717,358.30

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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.