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Finding the Fourth Proportional to 102,061.62, 152,960.40 and 54,626.40

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Solution

The fourth proportional to 102,061.62, 152,960.40 and 54,626.40 is: 81,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,061.62 : 152,960.40 = 54,626.40 : x
  2. Step 2: Convert to fraction form
    102,061.62/152,960.40 = 54,626.40/x
  3. Step 3: Cross multiply
    102,061.62x = 152,960.40 × 54,626.40
  4. Step 4: Simplify right side
    102,061.62x = 8,355,675,994.56
  5. Step 5: Solve for x
    x = 8,355,675,994.56/102,061.62
  6. Step 6: Final answer
    x = 81,868.93

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1.5x scale

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.