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Finding the Fourth Proportional to 186,481.44, 257,344.42 and 101,598.51

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Solution

The fourth proportional to 186,481.44, 257,344.42 and 101,598.51 is: 140,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,481.44 : 257,344.42 = 101,598.51 : x
  2. Step 2: Convert to fraction form
    186,481.44/257,344.42 = 101,598.51/x
  3. Step 3: Cross multiply
    186,481.44x = 257,344.42 × 101,598.51
  4. Step 4: Simplify right side
    186,481.44x = 26,145,808,088.10
  5. Step 5: Solve for x
    x = 26,145,808,088.10/186,481.44
  6. Step 6: Final answer
    x = 140,205.95

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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.