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Finding the Fourth Proportional to 191,298.98, 286,958.63 and 58,169.00

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Solution

The fourth proportional to 191,298.98, 286,958.63 and 58,169.00 is: 87,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,298.98 : 286,958.63 = 58,169.00 : x
  2. Step 2: Convert to fraction form
    191,298.98/286,958.63 = 58,169.00/x
  3. Step 3: Cross multiply
    191,298.98x = 286,958.63 × 58,169.00
  4. Step 4: Simplify right side
    191,298.98x = 16,692,097,411.29
  5. Step 5: Solve for x
    x = 16,692,097,411.29/191,298.98
  6. Step 6: Final answer
    x = 87,256.59

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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.