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Finding the Fourth Proportional to 103,652.91, 155,536.76 and 96,124.15

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Solution

The fourth proportional to 103,652.91, 155,536.76 and 96,124.15 is: 144,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,652.91 : 155,536.76 = 96,124.15 : x
  2. Step 2: Convert to fraction form
    103,652.91/155,536.76 = 96,124.15/x
  3. Step 3: Cross multiply
    103,652.91x = 155,536.76 × 96,124.15
  4. Step 4: Simplify right side
    103,652.91x = 14,950,838,848.75
  5. Step 5: Solve for x
    x = 14,950,838,848.75/103,652.91
  6. Step 6: Final answer
    x = 144,239.45

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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.