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Finding the Fourth Proportional to 191,264.54, 286,886.42 and 58,134.42

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Solution

The fourth proportional to 191,264.54, 286,886.42 and 58,134.42 is: 87,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,264.54 : 286,886.42 = 58,134.42 : x
  2. Step 2: Convert to fraction form
    191,264.54/286,886.42 = 58,134.42/x
  3. Step 3: Cross multiply
    191,264.54x = 286,886.42 × 58,134.42
  4. Step 4: Simplify right side
    191,264.54x = 16,677,974,953.43
  5. Step 5: Solve for x
    x = 16,677,974,953.43/191,264.54
  6. Step 6: Final answer
    x = 87,198.47

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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.