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Finding the Fourth Proportional to 156,670.70, 234,919.65 and 63,070.70

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Solution

The fourth proportional to 156,670.70, 234,919.65 and 63,070.70 is: 94,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670.70 : 234,919.65 = 63,070.70 : x
  2. Step 2: Convert to fraction form
    156,670.70/234,919.65 = 63,070.70/x
  3. Step 3: Cross multiply
    156,670.70x = 234,919.65 × 63,070.70
  4. Step 4: Simplify right side
    156,670.70x = 14,816,546,769.26
  5. Step 5: Solve for x
    x = 14,816,546,769.26/156,670.70
  6. Step 6: Final answer
    x = 94,571.27

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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.