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Finding the Fourth Proportional to 186,637.53, 279,873.90 and 53,487.57

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Solution

The fourth proportional to 186,637.53, 279,873.90 and 53,487.57 is: 80,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,637.53 : 279,873.90 = 53,487.57 : x
  2. Step 2: Convert to fraction form
    186,637.53/279,873.90 = 53,487.57/x
  3. Step 3: Cross multiply
    186,637.53x = 279,873.90 × 53,487.57
  4. Step 4: Simplify right side
    186,637.53x = 14,969,774,817.42
  5. Step 5: Solve for x
    x = 14,969,774,817.42/186,637.53
  6. Step 6: Final answer
    x = 80,207.74

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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.