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Finding the Fourth Proportional to 156,544.94, 216,017.73 and 88,568.12

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Solution

The fourth proportional to 156,544.94, 216,017.73 and 88,568.12 is: 122,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,544.94 : 216,017.73 = 88,568.12 : x
  2. Step 2: Convert to fraction form
    156,544.94/216,017.73 = 88,568.12/x
  3. Step 3: Cross multiply
    156,544.94x = 216,017.73 × 88,568.12
  4. Step 4: Simplify right side
    156,544.94x = 19,132,283,152.68
  5. Step 5: Solve for x
    x = 19,132,283,152.68/156,544.94
  6. Step 6: Final answer
    x = 122,215.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.