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Finding the Fourth Proportional to 163,445.92, 245,112 and 58,249.60

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Solution

The fourth proportional to 163,445.92, 245,112 and 58,249.60 is: 87,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,445.92 : 245,112 = 58,249.60 : x
  2. Step 2: Convert to fraction form
    163,445.92/245,112 = 58,249.60/x
  3. Step 3: Cross multiply
    163,445.92x = 245,112 × 58,249.60
  4. Step 4: Simplify right side
    163,445.92x = 14,277,675,955.20
  5. Step 5: Solve for x
    x = 14,277,675,955.20/163,445.92
  6. Step 6: Final answer
    x = 87,354.13

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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.