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Finding the Fourth Proportional to 235,846,223.80, 353,769,335.70 and 72,083,663.80

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Solution

The fourth proportional to 235,846,223.80, 353,769,335.70 and 72,083,663.80 is: 108,125,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,846,223.80 : 353,769,335.70 = 72,083,663.80 : x
  2. Step 2: Convert to fraction form
    235,846,223.80/353,769,335.70 = 72,083,663.80/x
  3. Step 3: Cross multiply
    235,846,223.80x = 353,769,335.70 × 72,083,663.80
  4. Step 4: Simplify right side
    235,846,223.80x = 25,500,989,857,348,136
  5. Step 5: Solve for x
    x = 25,500,989,857,348,136/235,846,223.80
  6. Step 6: Final answer
    x = 108,125,495.70

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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.