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Finding the Fourth Proportional to 158,456.70, 237,525.08 and 99,333.90

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Solution

The fourth proportional to 158,456.70, 237,525.08 and 99,333.90 is: 148,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,456.70 : 237,525.08 = 99,333.90 : x
  2. Step 2: Convert to fraction form
    158,456.70/237,525.08 = 99,333.90/x
  3. Step 3: Cross multiply
    158,456.70x = 237,525.08 × 99,333.90
  4. Step 4: Simplify right side
    158,456.70x = 23,594,292,544.21
  5. Step 5: Solve for x
    x = 23,594,292,544.21/158,456.70
  6. Step 6: Final answer
    x = 148,900.57

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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.