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Finding the Fourth Proportional to 103,162.90, 154,767.59 and 36,602.93

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Solution

The fourth proportional to 103,162.90, 154,767.59 and 36,602.93 is: 54,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,162.90 : 154,767.59 = 36,602.93 : x
  2. Step 2: Convert to fraction form
    103,162.90/154,767.59 = 36,602.93/x
  3. Step 3: Cross multiply
    103,162.90x = 154,767.59 × 36,602.93
  4. Step 4: Simplify right side
    103,162.90x = 5,664,947,263.04
  5. Step 5: Solve for x
    x = 5,664,947,263.04/103,162.90
  6. Step 6: Final answer
    x = 54,912.64

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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.