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Finding the Fourth Proportional to 186,902.04, 280,357.04 and 66,966.81

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Solution

The fourth proportional to 186,902.04, 280,357.04 and 66,966.81 is: 100,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,902.04 : 280,357.04 = 66,966.81 : x
  2. Step 2: Convert to fraction form
    186,902.04/280,357.04 = 66,966.81/x
  3. Step 3: Cross multiply
    186,902.04x = 280,357.04 × 66,966.81
  4. Step 4: Simplify right side
    186,902.04x = 18,774,615,369.23
  5. Step 5: Solve for x
    x = 18,774,615,369.23/186,902.04
  6. Step 6: Final answer
    x = 100,451.63

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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.