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Finding the Fourth Proportional to 186,672.04, 279,981.84 and 53,563.64

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Solution

The fourth proportional to 186,672.04, 279,981.84 and 53,563.64 is: 80,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,672.04 : 279,981.84 = 53,563.64 : x
  2. Step 2: Convert to fraction form
    186,672.04/279,981.84 = 53,563.64/x
  3. Step 3: Cross multiply
    186,672.04x = 279,981.84 × 53,563.64
  4. Step 4: Simplify right side
    186,672.04x = 14,996,846,484.30
  5. Step 5: Solve for x
    x = 14,996,846,484.30/186,672.04
  6. Step 6: Final answer
    x = 80,337.94

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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.