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Finding the Fourth Proportional to 186,473.80, 257,334.34 and 101,591.48

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Solution

The fourth proportional to 186,473.80, 257,334.34 and 101,591.48 is: 140,196.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,473.80 : 257,334.34 = 101,591.48 : x
  2. Step 2: Convert to fraction form
    186,473.80/257,334.34 = 101,591.48/x
  3. Step 3: Cross multiply
    186,473.80x = 257,334.34 × 101,591.48
  4. Step 4: Simplify right side
    186,473.80x = 26,142,976,455.42
  5. Step 5: Solve for x
    x = 26,142,976,455.42/186,473.80
  6. Step 6: Final answer
    x = 140,196.51

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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.