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Finding the Fourth Proportional to 153,816.70, 214,818.50 and 153,816.70

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Solution

The fourth proportional to 153,816.70, 214,818.50 and 153,816.70 is: 214,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,816.70 : 214,818.50 = 153,816.70 : x
  2. Step 2: Convert to fraction form
    153,816.70/214,818.50 = 153,816.70/x
  3. Step 3: Cross multiply
    153,816.70x = 214,818.50 × 153,816.70
  4. Step 4: Simplify right side
    153,816.70x = 33,042,672,768.95
  5. Step 5: Solve for x
    x = 33,042,672,768.95/153,816.70
  6. Step 6: Final answer
    x = 214,818.50

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.