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Finding the Fourth Proportional to 191,792.87, 264,676.23 and 105,752.02

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Solution

The fourth proportional to 191,792.87, 264,676.23 and 105,752.02 is: 145,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,792.87 : 264,676.23 = 105,752.02 : x
  2. Step 2: Convert to fraction form
    191,792.87/264,676.23 = 105,752.02/x
  3. Step 3: Cross multiply
    191,792.87x = 264,676.23 × 105,752.02
  4. Step 4: Simplify right side
    191,792.87x = 27,990,045,968.48
  5. Step 5: Solve for x
    x = 27,990,045,968.48/191,792.87
  6. Step 6: Final answer
    x = 145,938.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.