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Finding the Fourth Proportional to 266,602.51, 367,913.91 and 145,741.60

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Solution

The fourth proportional to 266,602.51, 367,913.91 and 145,741.60 is: 201,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,602.51 : 367,913.91 = 145,741.60 : x
  2. Step 2: Convert to fraction form
    266,602.51/367,913.91 = 145,741.60/x
  3. Step 3: Cross multiply
    266,602.51x = 367,913.91 × 145,741.60
  4. Step 4: Simplify right side
    266,602.51x = 53,620,361,905.66
  5. Step 5: Solve for x
    x = 53,620,361,905.66/266,602.51
  6. Step 6: Final answer
    x = 201,124.75

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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.