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Finding the Fourth Proportional to 171,830.76, 257,590.62 and 60,996.84

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Solution

The fourth proportional to 171,830.76, 257,590.62 and 60,996.84 is: 91,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,830.76 : 257,590.62 = 60,996.84 : x
  2. Step 2: Convert to fraction form
    171,830.76/257,590.62 = 60,996.84/x
  3. Step 3: Cross multiply
    171,830.76x = 257,590.62 × 60,996.84
  4. Step 4: Simplify right side
    171,830.76x = 15,712,213,833.64
  5. Step 5: Solve for x
    x = 15,712,213,833.64/171,830.76
  6. Step 6: Final answer
    x = 91,440.05

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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.