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Finding the Fourth Proportional to 96,638.63, 145,001.10 and 37,478.93

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Solution

The fourth proportional to 96,638.63, 145,001.10 and 37,478.93 is: 56,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,638.63 : 145,001.10 = 37,478.93 : x
  2. Step 2: Convert to fraction form
    96,638.63/145,001.10 = 37,478.93/x
  3. Step 3: Cross multiply
    96,638.63x = 145,001.10 × 37,478.93
  4. Step 4: Simplify right side
    96,638.63x = 5,434,486,076.82
  5. Step 5: Solve for x
    x = 5,434,486,076.82/96,638.63
  6. Step 6: Final answer
    x = 56,235.13

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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.