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Finding the Fourth Proportional to 266,466,111.60, 400,371,013.80 and 169,468,287.60

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Solution

The fourth proportional to 266,466,111.60, 400,371,013.80 and 169,468,287.60 is: 254,629,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,466,111.60 : 400,371,013.80 = 169,468,287.60 : x
  2. Step 2: Convert to fraction form
    266,466,111.60/400,371,013.80 = 169,468,287.60/x
  3. Step 3: Cross multiply
    266,466,111.60x = 400,371,013.80 × 169,468,287.60
  4. Step 4: Simplify right side
    266,466,111.60x = 67,850,190,113,361,968
  5. Step 5: Solve for x
    x = 67,850,190,113,361,968/266,466,111.60
  6. Step 6: Final answer
    x = 254,629,715.22

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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.