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Finding the Fourth Proportional to 191,162.70, 286,736.58 and 58,037.58

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Solution

The fourth proportional to 191,162.70, 286,736.58 and 58,037.58 is: 87,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,162.70 : 286,736.58 = 58,037.58 : x
  2. Step 2: Convert to fraction form
    191,162.70/286,736.58 = 58,037.58/x
  3. Step 3: Cross multiply
    191,162.70x = 286,736.58 × 58,037.58
  4. Step 4: Simplify right side
    191,162.70x = 16,641,497,200.68
  5. Step 5: Solve for x
    x = 16,641,497,200.68/191,162.70
  6. Step 6: Final answer
    x = 87,054.10

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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.