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Finding the Fourth Proportional to 151,347.39, 208,860.84 and 83,364.66

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Solution

The fourth proportional to 151,347.39, 208,860.84 and 83,364.66 is: 115,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,347.39 : 208,860.84 = 83,364.66 : x
  2. Step 2: Convert to fraction form
    151,347.39/208,860.84 = 83,364.66/x
  3. Step 3: Cross multiply
    151,347.39x = 208,860.84 × 83,364.66
  4. Step 4: Simplify right side
    151,347.39x = 17,411,612,913.91
  5. Step 5: Solve for x
    x = 17,411,612,913.91/151,347.39
  6. Step 6: Final answer
    x = 115,044.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.