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Finding the Fourth Proportional to 186,095.80, 279,143.70 and 163,934.20

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Solution

The fourth proportional to 186,095.80, 279,143.70 and 163,934.20 is: 245,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,095.80 : 279,143.70 = 163,934.20 : x
  2. Step 2: Convert to fraction form
    186,095.80/279,143.70 = 163,934.20/x
  3. Step 3: Cross multiply
    186,095.80x = 279,143.70 × 163,934.20
  4. Step 4: Simplify right side
    186,095.80x = 45,761,199,144.54
  5. Step 5: Solve for x
    x = 45,761,199,144.54/186,095.80
  6. Step 6: Final answer
    x = 245,901.30

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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.