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Finding the Fourth Proportional to 71,041,519.90, 106,562,283.90 and 17,188,831.90

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Solution

The fourth proportional to 71,041,519.90, 106,562,283.90 and 17,188,831.90 is: 25,783,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,041,519.90 : 106,562,283.90 = 17,188,831.90 : x
  2. Step 2: Convert to fraction form
    71,041,519.90/106,562,283.90 = 17,188,831.90/x
  3. Step 3: Cross multiply
    71,041,519.90x = 106,562,283.90 × 17,188,831.90
  4. Step 4: Simplify right side
    71,041,519.90x = 1,831,681,184,837,176.25
  5. Step 5: Solve for x
    x = 1,831,681,184,837,176.25/71,041,519.90
  6. Step 6: Final answer
    x = 25,783,248.83

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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.