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Finding the Fourth Proportional to 157,659.67, 236,482.89 and 73,390.87

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Solution

The fourth proportional to 157,659.67, 236,482.89 and 73,390.87 is: 110,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,659.67 : 236,482.89 = 73,390.87 : x
  2. Step 2: Convert to fraction form
    157,659.67/236,482.89 = 73,390.87/x
  3. Step 3: Cross multiply
    157,659.67x = 236,482.89 × 73,390.87
  4. Step 4: Simplify right side
    157,659.67x = 17,355,685,037.21
  5. Step 5: Solve for x
    x = 17,355,685,037.21/157,659.67
  6. Step 6: Final answer
    x = 110,083.23

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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.