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Finding the Fourth Proportional to 163,590.80, 245,530.20 and 96,947.60

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Solution

The fourth proportional to 163,590.80, 245,530.20 and 96,947.60 is: 145,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,590.80 : 245,530.20 = 96,947.60 : x
  2. Step 2: Convert to fraction form
    163,590.80/245,530.20 = 96,947.60/x
  3. Step 3: Cross multiply
    163,590.80x = 245,530.20 × 96,947.60
  4. Step 4: Simplify right side
    163,590.80x = 23,803,563,617.52
  5. Step 5: Solve for x
    x = 23,803,563,617.52/163,590.80
  6. Step 6: Final answer
    x = 145,506.74

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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.