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Finding the Fourth Proportional to 191,765.65, 287,602.34 and 58,647.06

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Solution

The fourth proportional to 191,765.65, 287,602.34 and 58,647.06 is: 87,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,765.65 : 287,602.34 = 58,647.06 : x
  2. Step 2: Convert to fraction form
    191,765.65/287,602.34 = 58,647.06/x
  3. Step 3: Cross multiply
    191,765.65x = 287,602.34 × 58,647.06
  4. Step 4: Simplify right side
    191,765.65x = 16,867,031,690.12
  5. Step 5: Solve for x
    x = 16,867,031,690.12/191,765.65
  6. Step 6: Final answer
    x = 87,956.48

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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.