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Finding the Fourth Proportional to 191,259.03, 286,873.95 and 66,600.03

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Solution

The fourth proportional to 191,259.03, 286,873.95 and 66,600.03 is: 99,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,259.03 : 286,873.95 = 66,600.03 : x
  2. Step 2: Convert to fraction form
    191,259.03/286,873.95 = 66,600.03/x
  3. Step 3: Cross multiply
    191,259.03x = 286,873.95 × 66,600.03
  4. Step 4: Simplify right side
    191,259.03x = 19,105,813,676.22
  5. Step 5: Solve for x
    x = 19,105,813,676.22/191,259.03
  6. Step 6: Final answer
    x = 99,894.96

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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.