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Finding the Fourth Proportional to 140,594.89, 210,627.46 and 69,434.23

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Solution

The fourth proportional to 140,594.89, 210,627.46 and 69,434.23 is: 104,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,594.89 : 210,627.46 = 69,434.23 : x
  2. Step 2: Convert to fraction form
    140,594.89/210,627.46 = 69,434.23/x
  3. Step 3: Cross multiply
    140,594.89x = 210,627.46 × 69,434.23
  4. Step 4: Simplify right side
    140,594.89x = 14,624,755,501.96
  5. Step 5: Solve for x
    x = 14,624,755,501.96/140,594.89
  6. Step 6: Final answer
    x = 104,020.53

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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.