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Finding the Fourth Proportional to 253,714.66, 349,957.48 and 163,185.18

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Solution

The fourth proportional to 253,714.66, 349,957.48 and 163,185.18 is: 225,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,714.66 : 349,957.48 = 163,185.18 : x
  2. Step 2: Convert to fraction form
    253,714.66/349,957.48 = 163,185.18/x
  3. Step 3: Cross multiply
    253,714.66x = 349,957.48 × 163,185.18
  4. Step 4: Simplify right side
    253,714.66x = 57,107,874,366.15
  5. Step 5: Solve for x
    x = 57,107,874,366.15/253,714.66
  6. Step 6: Final answer
    x = 225,087.01

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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.