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Finding the Fourth Proportional to 169,641.90, 252,603.41 and 163,580.14

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Solution

The fourth proportional to 169,641.90, 252,603.41 and 163,580.14 is: 243,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,641.90 : 252,603.41 = 163,580.14 : x
  2. Step 2: Convert to fraction form
    169,641.90/252,603.41 = 163,580.14/x
  3. Step 3: Cross multiply
    169,641.90x = 252,603.41 × 163,580.14
  4. Step 4: Simplify right side
    169,641.90x = 41,320,901,172.28
  5. Step 5: Solve for x
    x = 41,320,901,172.28/169,641.90
  6. Step 6: Final answer
    x = 243,577.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.