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Finding the Fourth Proportional to 191,367.58, 287,066.04 and 58,259.20

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Solution

The fourth proportional to 191,367.58, 287,066.04 and 58,259.20 is: 87,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,367.58 : 287,066.04 = 58,259.20 : x
  2. Step 2: Convert to fraction form
    191,367.58/287,066.04 = 58,259.20/x
  3. Step 3: Cross multiply
    191,367.58x = 287,066.04 × 58,259.20
  4. Step 4: Simplify right side
    191,367.58x = 16,724,237,837.57
  5. Step 5: Solve for x
    x = 16,724,237,837.57/191,367.58
  6. Step 6: Final answer
    x = 87,393.27

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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.