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Finding the Fourth Proportional to 207,603.54, 286,433.63 and 116,927.82

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Solution

The fourth proportional to 207,603.54, 286,433.63 and 116,927.82 is: 161,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,603.54 : 286,433.63 = 116,927.82 : x
  2. Step 2: Convert to fraction form
    207,603.54/286,433.63 = 116,927.82/x
  3. Step 3: Cross multiply
    207,603.54x = 286,433.63 × 116,927.82
  4. Step 4: Simplify right side
    207,603.54x = 33,492,059,345.95
  5. Step 5: Solve for x
    x = 33,492,059,345.95/207,603.54
  6. Step 6: Final answer
    x = 161,327.01

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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.