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Finding the Fourth Proportional to 156,804.96, 216,383.91 and 88,820.58

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Solution

The fourth proportional to 156,804.96, 216,383.91 and 88,820.58 is: 122,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,804.96 : 216,383.91 = 88,820.58 : x
  2. Step 2: Convert to fraction form
    156,804.96/216,383.91 = 88,820.58/x
  3. Step 3: Cross multiply
    156,804.96x = 216,383.91 × 88,820.58
  4. Step 4: Simplify right side
    156,804.96x = 19,219,344,388.87
  5. Step 5: Solve for x
    x = 19,219,344,388.87/156,804.96
  6. Step 6: Final answer
    x = 122,568.47

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1.5x scale

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.