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Finding the Fourth Proportional to 186,657.15, 280,116.95 and 168,811.23

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Solution

The fourth proportional to 186,657.15, 280,116.95 and 168,811.23 is: 253,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,657.15 : 280,116.95 = 168,811.23 : x
  2. Step 2: Convert to fraction form
    186,657.15/280,116.95 = 168,811.23/x
  3. Step 3: Cross multiply
    186,657.15x = 280,116.95 × 168,811.23
  4. Step 4: Simplify right side
    186,657.15x = 47,286,886,873.35
  5. Step 5: Solve for x
    x = 47,286,886,873.35/186,657.15
  6. Step 6: Final answer
    x = 253,335.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.