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Finding the Fourth Proportional to 102,483.83, 152,706.90 and 91,304.61

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Solution

The fourth proportional to 102,483.83, 152,706.90 and 91,304.61 is: 136,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,483.83 : 152,706.90 = 91,304.61 : x
  2. Step 2: Convert to fraction form
    102,483.83/152,706.90 = 91,304.61/x
  3. Step 3: Cross multiply
    102,483.83x = 152,706.90 × 91,304.61
  4. Step 4: Simplify right side
    102,483.83x = 13,942,843,948.81
  5. Step 5: Solve for x
    x = 13,942,843,948.81/102,483.83
  6. Step 6: Final answer
    x = 136,049.21

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