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Finding the Fourth Proportional to 186,573.90, 279,859.53 and 53,454.30

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Solution

The fourth proportional to 186,573.90, 279,859.53 and 53,454.30 is: 80,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,573.90 : 279,859.53 = 53,454.30 : x
  2. Step 2: Convert to fraction form
    186,573.90/279,859.53 = 53,454.30/x
  3. Step 3: Cross multiply
    186,573.90x = 279,859.53 × 53,454.30
  4. Step 4: Simplify right side
    186,573.90x = 14,959,695,274.48
  5. Step 5: Solve for x
    x = 14,959,695,274.48/186,573.90
  6. Step 6: Final answer
    x = 80,181.07

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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.