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Finding the Fourth Proportional to 120,037.02, 180,108.32 and 63,863.93

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Solution

The fourth proportional to 120,037.02, 180,108.32 and 63,863.93 is: 95,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,037.02 : 180,108.32 = 63,863.93 : x
  2. Step 2: Convert to fraction form
    120,037.02/180,108.32 = 63,863.93/x
  3. Step 3: Cross multiply
    120,037.02x = 180,108.32 × 63,863.93
  4. Step 4: Simplify right side
    120,037.02x = 11,502,423,921.04
  5. Step 5: Solve for x
    x = 11,502,423,921.04/120,037.02
  6. Step 6: Final answer
    x = 95,823.97

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1.5x scale

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.