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Finding the Fourth Proportional to 150,061.60, 225,092.40 and 61,256.80

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Solution

The fourth proportional to 150,061.60, 225,092.40 and 61,256.80 is: 91,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,061.60 : 225,092.40 = 61,256.80 : x
  2. Step 2: Convert to fraction form
    150,061.60/225,092.40 = 61,256.80/x
  3. Step 3: Cross multiply
    150,061.60x = 225,092.40 × 61,256.80
  4. Step 4: Simplify right side
    150,061.60x = 13,788,440,128.32
  5. Step 5: Solve for x
    x = 13,788,440,128.32/150,061.60
  6. Step 6: Final answer
    x = 91,885.20

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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.