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Finding the Fourth Proportional to 360,597.12, 540,731.52 and 150,109.44

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Solution

The fourth proportional to 360,597.12, 540,731.52 and 150,109.44 is: 225,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,597.12 : 540,731.52 = 150,109.44 : x
  2. Step 2: Convert to fraction form
    360,597.12/540,731.52 = 150,109.44/x
  3. Step 3: Cross multiply
    360,597.12x = 540,731.52 × 150,109.44
  4. Step 4: Simplify right side
    360,597.12x = 81,168,905,657.55
  5. Step 5: Solve for x
    x = 81,168,905,657.55/360,597.12
  6. Step 6: Final answer
    x = 225,095.82

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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.