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Finding the Fourth Proportional to 156,792.20, 235,188.30 and 73,848.20

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Solution

The fourth proportional to 156,792.20, 235,188.30 and 73,848.20 is: 110,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792.20 : 235,188.30 = 73,848.20 : x
  2. Step 2: Convert to fraction form
    156,792.20/235,188.30 = 73,848.20/x
  3. Step 3: Cross multiply
    156,792.20x = 235,188.30 × 73,848.20
  4. Step 4: Simplify right side
    156,792.20x = 17,368,232,616.06
  5. Step 5: Solve for x
    x = 17,368,232,616.06/156,792.20
  6. Step 6: Final answer
    x = 110,772.30

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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.