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Finding the Fourth Proportional to 186,616.34, 257,529.98 and 101,733.42

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Solution

The fourth proportional to 186,616.34, 257,529.98 and 101,733.42 is: 140,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,616.34 : 257,529.98 = 101,733.42 : x
  2. Step 2: Convert to fraction form
    186,616.34/257,529.98 = 101,733.42/x
  3. Step 3: Cross multiply
    186,616.34x = 257,529.98 × 101,733.42
  4. Step 4: Simplify right side
    186,616.34x = 26,199,405,617.93
  5. Step 5: Solve for x
    x = 26,199,405,617.93/186,616.34
  6. Step 6: Final answer
    x = 140,391.81

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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.