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Finding the Fourth Proportional to 144,706.40, 217,048.80 and 60,444.80

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Solution

The fourth proportional to 144,706.40, 217,048.80 and 60,444.80 is: 90,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,706.40 : 217,048.80 = 60,444.80 : x
  2. Step 2: Convert to fraction form
    144,706.40/217,048.80 = 60,444.80/x
  3. Step 3: Cross multiply
    144,706.40x = 217,048.80 × 60,444.80
  4. Step 4: Simplify right side
    144,706.40x = 13,119,471,306.24
  5. Step 5: Solve for x
    x = 13,119,471,306.24/144,706.40
  6. Step 6: Final answer
    x = 90,662.69

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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.