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Finding the Fourth Proportional to 144,657.84, 217,019.88 and 55,912.08

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Solution

The fourth proportional to 144,657.84, 217,019.88 and 55,912.08 is: 83,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,657.84 : 217,019.88 = 55,912.08 : x
  2. Step 2: Convert to fraction form
    144,657.84/217,019.88 = 55,912.08/x
  3. Step 3: Cross multiply
    144,657.84x = 217,019.88 × 55,912.08
  4. Step 4: Simplify right side
    144,657.84x = 12,134,032,892.15
  5. Step 5: Solve for x
    x = 12,134,032,892.15/144,657.84
  6. Step 6: Final answer
    x = 83,880.92

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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.