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Finding the Fourth Proportional to 200,695.59, 276,957.63 and 115,810.83

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Solution

The fourth proportional to 200,695.59, 276,957.63 and 115,810.83 is: 159,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,695.59 : 276,957.63 = 115,810.83 : x
  2. Step 2: Convert to fraction form
    200,695.59/276,957.63 = 115,810.83/x
  3. Step 3: Cross multiply
    200,695.59x = 276,957.63 × 115,810.83
  4. Step 4: Simplify right side
    200,695.59x = 32,074,693,005.13
  5. Step 5: Solve for x
    x = 32,074,693,005.13/200,695.59
  6. Step 6: Final answer
    x = 159,817.63

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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.