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Finding the Fourth Proportional to 90,060, 124,290.48 and 50,323.68

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Solution

The fourth proportional to 90,060, 124,290.48 and 50,323.68 is: 69,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,060 : 124,290.48 = 50,323.68 : x
  2. Step 2: Convert to fraction form
    90,060/124,290.48 = 50,323.68/x
  3. Step 3: Cross multiply
    90,060x = 124,290.48 × 50,323.68
  4. Step 4: Simplify right side
    90,060x = 6,254,754,342.57
  5. Step 5: Solve for x
    x = 6,254,754,342.57/90,060
  6. Step 6: Final answer
    x = 69,450.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.