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Finding the Fourth Proportional to 50,472,963.20, 75,709,444.80 and 50,472,963.20

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Solution

The fourth proportional to 50,472,963.20, 75,709,444.80 and 50,472,963.20 is: 75,709,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,472,963.20 : 75,709,444.80 = 50,472,963.20 : x
  2. Step 2: Convert to fraction form
    50,472,963.20/75,709,444.80 = 50,472,963.20/x
  3. Step 3: Cross multiply
    50,472,963.20x = 75,709,444.80 × 50,472,963.20
  4. Step 4: Simplify right side
    50,472,963.20x = 3,821,280,021,282,831.50
  5. Step 5: Solve for x
    x = 3,821,280,021,282,831.50/50,472,963.20
  6. Step 6: Final answer
    x = 75,709,444.80

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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.