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Finding the Fourth Proportional to 150,106.60, 225,159.90 and 61,301.80

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Solution

The fourth proportional to 150,106.60, 225,159.90 and 61,301.80 is: 91,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,106.60 : 225,159.90 = 61,301.80 : x
  2. Step 2: Convert to fraction form
    150,106.60/225,159.90 = 61,301.80/x
  3. Step 3: Cross multiply
    150,106.60x = 225,159.90 × 61,301.80
  4. Step 4: Simplify right side
    150,106.60x = 13,802,707,157.82
  5. Step 5: Solve for x
    x = 13,802,707,157.82/150,106.60
  6. Step 6: Final answer
    x = 91,952.70

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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.