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Finding the Fourth Proportional to 94,008.76, 129,723.90 and 53,714.52

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Solution

The fourth proportional to 94,008.76, 129,723.90 and 53,714.52 is: 74,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,008.76 : 129,723.90 = 53,714.52 : x
  2. Step 2: Convert to fraction form
    94,008.76/129,723.90 = 53,714.52/x
  3. Step 3: Cross multiply
    94,008.76x = 129,723.90 × 53,714.52
  4. Step 4: Simplify right side
    94,008.76x = 6,968,057,021.03
  5. Step 5: Solve for x
    x = 6,968,057,021.03/94,008.76
  6. Step 6: Final answer
    x = 74,121.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.