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Finding the Fourth Proportional to 100,283.15, 150,323.43 and 62,869.48

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Solution

The fourth proportional to 100,283.15, 150,323.43 and 62,869.48 is: 94,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,283.15 : 150,323.43 = 62,869.48 : x
  2. Step 2: Convert to fraction form
    100,283.15/150,323.43 = 62,869.48/x
  3. Step 3: Cross multiply
    100,283.15x = 150,323.43 × 62,869.48
  4. Step 4: Simplify right side
    100,283.15x = 9,450,755,875.92
  5. Step 5: Solve for x
    x = 9,450,755,875.92/100,283.15
  6. Step 6: Final answer
    x = 94,240.72

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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.