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Finding the Fourth Proportional to 47,362,807.90, 71,044,211.85 and 47,362,807.90

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Solution

The fourth proportional to 47,362,807.90, 71,044,211.85 and 47,362,807.90 is: 71,044,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,362,807.90 : 71,044,211.85 = 47,362,807.90 : x
  2. Step 2: Convert to fraction form
    47,362,807.90/71,044,211.85 = 47,362,807.90/x
  3. Step 3: Cross multiply
    47,362,807.90x = 71,044,211.85 × 47,362,807.90
  4. Step 4: Simplify right side
    47,362,807.90x = 3,364,853,358,258,453
  5. Step 5: Solve for x
    x = 3,364,853,358,258,453/47,362,807.90
  6. Step 6: Final answer
    x = 71,044,211.85

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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.