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Finding the Fourth Proportional to 165,573.80, 248,220.30 and 60,331.40

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Solution

The fourth proportional to 165,573.80, 248,220.30 and 60,331.40 is: 90,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,573.80 : 248,220.30 = 60,331.40 : x
  2. Step 2: Convert to fraction form
    165,573.80/248,220.30 = 60,331.40/x
  3. Step 3: Cross multiply
    165,573.80x = 248,220.30 × 60,331.40
  4. Step 4: Simplify right side
    165,573.80x = 14,975,478,207.42
  5. Step 5: Solve for x
    x = 14,975,478,207.42/165,573.80
  6. Step 6: Final answer
    x = 90,445.94

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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.