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Finding the Fourth Proportional to 202,701.54, 279,726.30 and 112,059.81

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Solution

The fourth proportional to 202,701.54, 279,726.30 and 112,059.81 is: 154,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,701.54 : 279,726.30 = 112,059.81 : x
  2. Step 2: Convert to fraction form
    202,701.54/279,726.30 = 112,059.81/x
  3. Step 3: Cross multiply
    202,701.54x = 279,726.30 × 112,059.81
  4. Step 4: Simplify right side
    202,701.54x = 31,346,076,030.00
  5. Step 5: Solve for x
    x = 31,346,076,030.00/202,701.54
  6. Step 6: Final answer
    x = 154,641.53

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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.