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Finding the Fourth Proportional to 144,768.80, 217,153.20 and 97,529.60

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Solution

The fourth proportional to 144,768.80, 217,153.20 and 97,529.60 is: 146,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,768.80 : 217,153.20 = 97,529.60 : x
  2. Step 2: Convert to fraction form
    144,768.80/217,153.20 = 97,529.60/x
  3. Step 3: Cross multiply
    144,768.80x = 217,153.20 × 97,529.60
  4. Step 4: Simplify right side
    144,768.80x = 21,178,864,734.72
  5. Step 5: Solve for x
    x = 21,178,864,734.72/144,768.80
  6. Step 6: Final answer
    x = 146,294.40

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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.