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Finding the Fourth Proportional to 191,495.52, 287,291.88 and 73,154.52

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Solution

The fourth proportional to 191,495.52, 287,291.88 and 73,154.52 is: 109,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,495.52 : 287,291.88 = 73,154.52 : x
  2. Step 2: Convert to fraction form
    191,495.52/287,291.88 = 73,154.52/x
  3. Step 3: Cross multiply
    191,495.52x = 287,291.88 × 73,154.52
  4. Step 4: Simplify right side
    191,495.52x = 21,016,699,581.30
  5. Step 5: Solve for x
    x = 21,016,699,581.30/191,495.52
  6. Step 6: Final answer
    x = 109,750.35

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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.