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Finding the Fourth Proportional to 173,887,472.80, 260,831,209.20 and 105,863,024.80

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Solution

The fourth proportional to 173,887,472.80, 260,831,209.20 and 105,863,024.80 is: 158,794,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,887,472.80 : 260,831,209.20 = 105,863,024.80 : x
  2. Step 2: Convert to fraction form
    173,887,472.80/260,831,209.20 = 105,863,024.80/x
  3. Step 3: Cross multiply
    173,887,472.80x = 260,831,209.20 × 105,863,024.80
  4. Step 4: Simplify right side
    173,887,472.80x = 27,612,380,768,153,588
  5. Step 5: Solve for x
    x = 27,612,380,768,153,588/173,887,472.80
  6. Step 6: Final answer
    x = 158,794,537.20

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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.