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Finding the Fourth Proportional to 266,015.64, 367,055.10 and 152,844.60

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Solution

The fourth proportional to 266,015.64, 367,055.10 and 152,844.60 is: 210,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,015.64 : 367,055.10 = 152,844.60 : x
  2. Step 2: Convert to fraction form
    266,015.64/367,055.10 = 152,844.60/x
  3. Step 3: Cross multiply
    266,015.64x = 367,055.10 × 152,844.60
  4. Step 4: Simplify right side
    266,015.64x = 56,102,389,937.46
  5. Step 5: Solve for x
    x = 56,102,389,937.46/266,015.64
  6. Step 6: Final answer
    x = 210,898.84

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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.