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Finding the Fourth Proportional to 242,466.49, 334,603.63 and 140,551.01

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Solution

The fourth proportional to 242,466.49, 334,603.63 and 140,551.01 is: 193,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,466.49 : 334,603.63 = 140,551.01 : x
  2. Step 2: Convert to fraction form
    242,466.49/334,603.63 = 140,551.01/x
  3. Step 3: Cross multiply
    242,466.49x = 334,603.63 × 140,551.01
  4. Step 4: Simplify right side
    242,466.49x = 47,028,876,121.77
  5. Step 5: Solve for x
    x = 47,028,876,121.77/242,466.49
  6. Step 6: Final answer
    x = 193,960.32

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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.