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Finding the Fourth Proportional to 153,019.70, 229,529.55 and 149,739.20

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Solution

The fourth proportional to 153,019.70, 229,529.55 and 149,739.20 is: 224,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,019.70 : 229,529.55 = 149,739.20 : x
  2. Step 2: Convert to fraction form
    153,019.70/229,529.55 = 149,739.20/x
  3. Step 3: Cross multiply
    153,019.70x = 229,529.55 × 149,739.20
  4. Step 4: Simplify right side
    153,019.70x = 34,369,571,193.36
  5. Step 5: Solve for x
    x = 34,369,571,193.36/153,019.70
  6. Step 6: Final answer
    x = 224,608.80

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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.