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Finding the Fourth Proportional to 183,657.61, 253,433.75 and 101,990.48

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Solution

The fourth proportional to 183,657.61, 253,433.75 and 101,990.48 is: 140,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,657.61 : 253,433.75 = 101,990.48 : x
  2. Step 2: Convert to fraction form
    183,657.61/253,433.75 = 101,990.48/x
  3. Step 3: Cross multiply
    183,657.61x = 253,433.75 × 101,990.48
  4. Step 4: Simplify right side
    183,657.61x = 25,847,828,033.58
  5. Step 5: Solve for x
    x = 25,847,828,033.58/183,657.61
  6. Step 6: Final answer
    x = 140,739.21

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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.