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Finding the Fourth Proportional to 266,085.96, 367,128.50 and 151,365.66

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Solution

The fourth proportional to 266,085.96, 367,128.50 and 151,365.66 is: 208,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,085.96 : 367,128.50 = 151,365.66 : x
  2. Step 2: Convert to fraction form
    266,085.96/367,128.50 = 151,365.66/x
  3. Step 3: Cross multiply
    266,085.96x = 367,128.50 × 151,365.66
  4. Step 4: Simplify right side
    266,085.96x = 55,570,646,950.48
  5. Step 5: Solve for x
    x = 55,570,646,950.48/266,085.96
  6. Step 6: Final answer
    x = 208,844.72

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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.