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Finding the Fourth Proportional to 191,668.31, 287,544.74 and 58,558.94

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Solution

The fourth proportional to 191,668.31, 287,544.74 and 58,558.94 is: 87,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,668.31 : 287,544.74 = 58,558.94 : x
  2. Step 2: Convert to fraction form
    191,668.31/287,544.74 = 58,558.94/x
  3. Step 3: Cross multiply
    191,668.31x = 287,544.74 × 58,558.94
  4. Step 4: Simplify right side
    191,668.31x = 16,838,313,446.46
  5. Step 5: Solve for x
    x = 16,838,313,446.46/191,668.31
  6. Step 6: Final answer
    x = 87,851.32

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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.