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Finding the Fourth Proportional to 144,677.48, 217,050.40 and 60,390.80

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Solution

The fourth proportional to 144,677.48, 217,050.40 and 60,390.80 is: 90,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,677.48 : 217,050.40 = 60,390.80 : x
  2. Step 2: Convert to fraction form
    144,677.48/217,050.40 = 60,390.80/x
  3. Step 3: Cross multiply
    144,677.48x = 217,050.40 × 60,390.80
  4. Step 4: Simplify right side
    144,677.48x = 13,107,847,100.50
  5. Step 5: Solve for x
    x = 13,107,847,100.50/144,677.48
  6. Step 6: Final answer
    x = 90,600.47

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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.