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Finding the Fourth Proportional to 191,201.51, 286,766.73 and 88,594.46

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Solution

The fourth proportional to 191,201.51, 286,766.73 and 88,594.46 is: 132,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,201.51 : 286,766.73 = 88,594.46 : x
  2. Step 2: Convert to fraction form
    191,201.51/286,766.73 = 88,594.46/x
  3. Step 3: Cross multiply
    191,201.51x = 286,766.73 × 88,594.46
  4. Step 4: Simplify right side
    191,201.51x = 25,405,943,231.86
  5. Step 5: Solve for x
    x = 25,405,943,231.86/191,201.51
  6. Step 6: Final answer
    x = 132,875.22

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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.