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Finding the Fourth Proportional to 176,054.42, 242,986.16 and 104,473.91

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Solution

The fourth proportional to 176,054.42, 242,986.16 and 104,473.91 is: 144,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,054.42 : 242,986.16 = 104,473.91 : x
  2. Step 2: Convert to fraction form
    176,054.42/242,986.16 = 104,473.91/x
  3. Step 3: Cross multiply
    176,054.42x = 242,986.16 × 104,473.91
  4. Step 4: Simplify right side
    176,054.42x = 25,385,714,211.09
  5. Step 5: Solve for x
    x = 25,385,714,211.09/176,054.42
  6. Step 6: Final answer
    x = 144,192.43

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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.