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Finding the Fourth Proportional to 163,131.84, 224,992.08 and 134,788.32

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Solution

The fourth proportional to 163,131.84, 224,992.08 and 134,788.32 is: 185,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,131.84 : 224,992.08 = 134,788.32 : x
  2. Step 2: Convert to fraction form
    163,131.84/224,992.08 = 134,788.32/x
  3. Step 3: Cross multiply
    163,131.84x = 224,992.08 × 134,788.32
  4. Step 4: Simplify right side
    163,131.84x = 30,326,304,476.51
  5. Step 5: Solve for x
    x = 30,326,304,476.51/163,131.84
  6. Step 6: Final answer
    x = 185,900.58

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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.