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Finding the Fourth Proportional to 191,166.50, 286,731.21 and 58,047.93

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Solution

The fourth proportional to 191,166.50, 286,731.21 and 58,047.93 is: 87,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,166.50 : 286,731.21 = 58,047.93 : x
  2. Step 2: Convert to fraction form
    191,166.50/286,731.21 = 58,047.93/x
  3. Step 3: Cross multiply
    191,166.50x = 286,731.21 × 58,047.93
  4. Step 4: Simplify right side
    191,166.50x = 16,644,153,206.90
  5. Step 5: Solve for x
    x = 16,644,153,206.90/191,166.50
  6. Step 6: Final answer
    x = 87,066.27

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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.