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Finding the Fourth Proportional to 152,028.70, 228,043.05 and 102,262.30

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Solution

The fourth proportional to 152,028.70, 228,043.05 and 102,262.30 is: 153,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,028.70 : 228,043.05 = 102,262.30 : x
  2. Step 2: Convert to fraction form
    152,028.70/228,043.05 = 102,262.30/x
  3. Step 3: Cross multiply
    152,028.70x = 228,043.05 × 102,262.30
  4. Step 4: Simplify right side
    152,028.70x = 23,320,206,792.02
  5. Step 5: Solve for x
    x = 23,320,206,792.02/152,028.70
  6. Step 6: Final answer
    x = 153,393.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.