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Finding the Fourth Proportional to 186,710.52, 257,657.92 and 101,827.56

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Solution

The fourth proportional to 186,710.52, 257,657.92 and 101,827.56 is: 140,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,710.52 : 257,657.92 = 101,827.56 : x
  2. Step 2: Convert to fraction form
    186,710.52/257,657.92 = 101,827.56/x
  3. Step 3: Cross multiply
    186,710.52x = 257,657.92 × 101,827.56
  4. Step 4: Simplify right side
    186,710.52x = 26,236,677,308.28
  5. Step 5: Solve for x
    x = 26,236,677,308.28/186,710.52
  6. Step 6: Final answer
    x = 140,520.62

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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.