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Finding the Fourth Proportional to 191,599.78, 264,407.77 and 111,073.98

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Solution

The fourth proportional to 191,599.78, 264,407.77 and 111,073.98 is: 153,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,599.78 : 264,407.77 = 111,073.98 : x
  2. Step 2: Convert to fraction form
    191,599.78/264,407.77 = 111,073.98/x
  3. Step 3: Cross multiply
    191,599.78x = 264,407.77 × 111,073.98
  4. Step 4: Simplify right side
    191,599.78x = 29,368,824,174.80
  5. Step 5: Solve for x
    x = 29,368,824,174.80/191,599.78
  6. Step 6: Final answer
    x = 153,282.14

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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.