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Finding the Fourth Proportional to 131,799, 197,668.80 and 60,653.34

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Solution

The fourth proportional to 131,799, 197,668.80 and 60,653.34 is: 90,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,799 : 197,668.80 = 60,653.34 : x
  2. Step 2: Convert to fraction form
    131,799/197,668.80 = 60,653.34/x
  3. Step 3: Cross multiply
    131,799x = 197,668.80 × 60,653.34
  4. Step 4: Simplify right side
    131,799x = 11,989,272,933.79
  5. Step 5: Solve for x
    x = 11,989,272,933.79/131,799
  6. Step 6: Final answer
    x = 90,966.34

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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.