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Finding the Fourth Proportional to 156,792.70, 235,189.05 and 73,848.70

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Solution

The fourth proportional to 156,792.70, 235,189.05 and 73,848.70 is: 110,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792.70 : 235,189.05 = 73,848.70 : x
  2. Step 2: Convert to fraction form
    156,792.70/235,189.05 = 73,848.70/x
  3. Step 3: Cross multiply
    156,792.70x = 235,189.05 × 73,848.70
  4. Step 4: Simplify right side
    156,792.70x = 17,368,405,596.74
  5. Step 5: Solve for x
    x = 17,368,405,596.74/156,792.70
  6. Step 6: Final answer
    x = 110,773.05

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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.