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Finding the Fourth Proportional to 186,031.26, 279,046.90 and 54,703.26

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Solution

The fourth proportional to 186,031.26, 279,046.90 and 54,703.26 is: 82,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,031.26 : 279,046.90 = 54,703.26 : x
  2. Step 2: Convert to fraction form
    186,031.26/279,046.90 = 54,703.26/x
  3. Step 3: Cross multiply
    186,031.26x = 279,046.90 × 54,703.26
  4. Step 4: Simplify right side
    186,031.26x = 15,264,775,122.89
  5. Step 5: Solve for x
    x = 15,264,775,122.89/186,031.26
  6. Step 6: Final answer
    x = 82,054.89

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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.