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Finding the Fourth Proportional to 191,266.57, 286,932.66 and 58,160.08

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Solution

The fourth proportional to 191,266.57, 286,932.66 and 58,160.08 is: 87,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,266.57 : 286,932.66 = 58,160.08 : x
  2. Step 2: Convert to fraction form
    191,266.57/286,932.66 = 58,160.08/x
  3. Step 3: Cross multiply
    191,266.57x = 286,932.66 × 58,160.08
  4. Step 4: Simplify right side
    191,266.57x = 16,688,026,460.21
  5. Step 5: Solve for x
    x = 16,688,026,460.21/191,266.57
  6. Step 6: Final answer
    x = 87,250.10

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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.