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Finding the Fourth Proportional to 148,970.40, 223,261.20 and 60,151.20

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Solution

The fourth proportional to 148,970.40, 223,261.20 and 60,151.20 is: 90,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,970.40 : 223,261.20 = 60,151.20 : x
  2. Step 2: Convert to fraction form
    148,970.40/223,261.20 = 60,151.20/x
  3. Step 3: Cross multiply
    148,970.40x = 223,261.20 × 60,151.20
  4. Step 4: Simplify right side
    148,970.40x = 13,429,429,093.44
  5. Step 5: Solve for x
    x = 13,429,429,093.44/148,970.40
  6. Step 6: Final answer
    x = 90,148.31

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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.