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Finding the Fourth Proportional to 153,341.80, 230,012.70 and 146,650.60

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Solution

The fourth proportional to 153,341.80, 230,012.70 and 146,650.60 is: 219,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,341.80 : 230,012.70 = 146,650.60 : x
  2. Step 2: Convert to fraction form
    153,341.80/230,012.70 = 146,650.60/x
  3. Step 3: Cross multiply
    153,341.80x = 230,012.70 × 146,650.60
  4. Step 4: Simplify right side
    153,341.80x = 33,731,500,462.62
  5. Step 5: Solve for x
    x = 33,731,500,462.62/153,341.80
  6. Step 6: Final answer
    x = 219,975.90

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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.