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Finding the Fourth Proportional to 266,530.01, 367,810.52 and 145,671.26

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Solution

The fourth proportional to 266,530.01, 367,810.52 and 145,671.26 is: 201,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,530.01 : 367,810.52 = 145,671.26 : x
  2. Step 2: Convert to fraction form
    266,530.01/367,810.52 = 145,671.26/x
  3. Step 3: Cross multiply
    266,530.01x = 367,810.52 × 145,671.26
  4. Step 4: Simplify right side
    266,530.01x = 53,579,419,322.25
  5. Step 5: Solve for x
    x = 53,579,419,322.25/266,530.01
  6. Step 6: Final answer
    x = 201,025.84

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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.