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Finding the Fourth Proportional to 163,648.80, 245,617.20 and 97,005.60

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Solution

The fourth proportional to 163,648.80, 245,617.20 and 97,005.60 is: 145,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,648.80 : 245,617.20 = 97,005.60 : x
  2. Step 2: Convert to fraction form
    163,648.80/245,617.20 = 97,005.60/x
  3. Step 3: Cross multiply
    163,648.80x = 245,617.20 × 97,005.60
  4. Step 4: Simplify right side
    163,648.80x = 23,826,243,856.32
  5. Step 5: Solve for x
    x = 23,826,243,856.32/163,648.80
  6. Step 6: Final answer
    x = 145,593.76

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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.