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Finding the Fourth Proportional to 93,859.51, 129,494.43 and 53,544.90

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Solution

The fourth proportional to 93,859.51, 129,494.43 and 53,544.90 is: 73,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,859.51 : 129,494.43 = 53,544.90 : x
  2. Step 2: Convert to fraction form
    93,859.51/129,494.43 = 53,544.90/x
  3. Step 3: Cross multiply
    93,859.51x = 129,494.43 × 53,544.90
  4. Step 4: Simplify right side
    93,859.51x = 6,933,766,304.91
  5. Step 5: Solve for x
    x = 6,933,766,304.91/93,859.51
  6. Step 6: Final answer
    x = 73,873.88

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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.