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Finding the Fourth Proportional to 156,564.48, 234,708.48 and 119,792.64

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Solution

The fourth proportional to 156,564.48, 234,708.48 and 119,792.64 is: 179,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,564.48 : 234,708.48 = 119,792.64 : x
  2. Step 2: Convert to fraction form
    156,564.48/234,708.48 = 119,792.64/x
  3. Step 3: Cross multiply
    156,564.48x = 234,708.48 × 119,792.64
  4. Step 4: Simplify right side
    156,564.48x = 28,116,348,449.59
  5. Step 5: Solve for x
    x = 28,116,348,449.59/156,564.48
  6. Step 6: Final answer
    x = 179,583.19

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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.