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Finding the Fourth Proportional to 183,818.97, 253,652.26 and 103,228.17

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Solution

The fourth proportional to 183,818.97, 253,652.26 and 103,228.17 is: 142,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,818.97 : 253,652.26 = 103,228.17 : x
  2. Step 2: Convert to fraction form
    183,818.97/253,652.26 = 103,228.17/x
  3. Step 3: Cross multiply
    183,818.97x = 253,652.26 × 103,228.17
  4. Step 4: Simplify right side
    183,818.97x = 26,184,058,616.16
  5. Step 5: Solve for x
    x = 26,184,058,616.16/183,818.97
  6. Step 6: Final answer
    x = 142,444.81

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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.