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Finding the Fourth Proportional to 191,165.84, 286,730.23 and 58,047.27

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Solution

The fourth proportional to 191,165.84, 286,730.23 and 58,047.27 is: 87,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,165.84 : 286,730.23 = 58,047.27 : x
  2. Step 2: Convert to fraction form
    191,165.84/286,730.23 = 58,047.27/x
  3. Step 3: Cross multiply
    191,165.84x = 286,730.23 × 58,047.27
  4. Step 4: Simplify right side
    191,165.84x = 16,643,905,857.62
  5. Step 5: Solve for x
    x = 16,643,905,857.62/191,165.84
  6. Step 6: Final answer
    x = 87,065.27

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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.