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Finding the Fourth Proportional to 151,265.64, 208,751.61 and 83,285.94

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Solution

The fourth proportional to 151,265.64, 208,751.61 and 83,285.94 is: 114,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,265.64 : 208,751.61 = 83,285.94 : x
  2. Step 2: Convert to fraction form
    151,265.64/208,751.61 = 83,285.94/x
  3. Step 3: Cross multiply
    151,265.64x = 208,751.61 × 83,285.94
  4. Step 4: Simplify right side
    151,265.64x = 17,386,074,065.36
  5. Step 5: Solve for x
    x = 17,386,074,065.36/151,265.64
  6. Step 6: Final answer
    x = 114,937.36

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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.