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Finding the Fourth Proportional to 163,607.60, 244,828.20 and 113,452.40

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Solution

The fourth proportional to 163,607.60, 244,828.20 and 113,452.40 is: 169,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,607.60 : 244,828.20 = 113,452.40 : x
  2. Step 2: Convert to fraction form
    163,607.60/244,828.20 = 113,452.40/x
  3. Step 3: Cross multiply
    163,607.60x = 244,828.20 × 113,452.40
  4. Step 4: Simplify right side
    163,607.60x = 27,776,346,877.68
  5. Step 5: Solve for x
    x = 27,776,346,877.68/163,607.60
  6. Step 6: Final answer
    x = 169,774.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.