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Finding the Fourth Proportional to 191,774.79, 287,694.48 and 58,623.93

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Solution

The fourth proportional to 191,774.79, 287,694.48 and 58,623.93 is: 87,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,774.79 : 287,694.48 = 58,623.93 : x
  2. Step 2: Convert to fraction form
    191,774.79/287,694.48 = 58,623.93/x
  3. Step 3: Cross multiply
    191,774.79x = 287,694.48 × 58,623.93
  4. Step 4: Simplify right side
    191,774.79x = 16,865,781,056.91
  5. Step 5: Solve for x
    x = 16,865,781,056.91/191,774.79
  6. Step 6: Final answer
    x = 87,945.77

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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.