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Finding the Fourth Proportional to 191,224.68, 286,836.96 and 58,104.48

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Solution

The fourth proportional to 191,224.68, 286,836.96 and 58,104.48 is: 87,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,224.68 : 286,836.96 = 58,104.48 : x
  2. Step 2: Convert to fraction form
    191,224.68/286,836.96 = 58,104.48/x
  3. Step 3: Cross multiply
    191,224.68x = 286,836.96 × 58,104.48
  4. Step 4: Simplify right side
    191,224.68x = 16,666,512,405.58
  5. Step 5: Solve for x
    x = 16,666,512,405.58/191,224.68
  6. Step 6: Final answer
    x = 87,156.70

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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.