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Finding the Fourth Proportional to 191,383.84, 264,239.76 and 119,792.80

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Solution

The fourth proportional to 191,383.84, 264,239.76 and 119,792.80 is: 165,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,383.84 : 264,239.76 = 119,792.80 : x
  2. Step 2: Convert to fraction form
    191,383.84/264,239.76 = 119,792.80/x
  3. Step 3: Cross multiply
    191,383.84x = 264,239.76 × 119,792.80
  4. Step 4: Simplify right side
    191,383.84x = 31,654,020,721.73
  5. Step 5: Solve for x
    x = 31,654,020,721.73/191,383.84
  6. Step 6: Final answer
    x = 165,395.47

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1.5x scale

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.