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Finding the Fourth Proportional to 153,957.70, 230,936.55 and 146,740.60

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Solution

The fourth proportional to 153,957.70, 230,936.55 and 146,740.60 is: 220,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,957.70 : 230,936.55 = 146,740.60 : x
  2. Step 2: Convert to fraction form
    153,957.70/230,936.55 = 146,740.60/x
  3. Step 3: Cross multiply
    153,957.70x = 230,936.55 × 146,740.60
  4. Step 4: Simplify right side
    153,957.70x = 33,887,767,908.93
  5. Step 5: Solve for x
    x = 33,887,767,908.93/153,957.70
  6. Step 6: Final answer
    x = 220,110.90

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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.