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Finding the Fourth Proportional to 101,813.90, 151,894.08 and 96,302.66

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Solution

The fourth proportional to 101,813.90, 151,894.08 and 96,302.66 is: 143,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,813.90 : 151,894.08 = 96,302.66 : x
  2. Step 2: Convert to fraction form
    101,813.90/151,894.08 = 96,302.66/x
  3. Step 3: Cross multiply
    101,813.90x = 151,894.08 × 96,302.66
  4. Step 4: Simplify right side
    101,813.90x = 14,627,803,182.78
  5. Step 5: Solve for x
    x = 14,627,803,182.78/101,813.90
  6. Step 6: Final answer
    x = 143,671.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.