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Finding the Fourth Proportional to 163,616.80, 245,425.20 and 92,466.40

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Solution

The fourth proportional to 163,616.80, 245,425.20 and 92,466.40 is: 138,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,616.80 : 245,425.20 = 92,466.40 : x
  2. Step 2: Convert to fraction form
    163,616.80/245,425.20 = 92,466.40/x
  3. Step 3: Cross multiply
    163,616.80x = 245,425.20 × 92,466.40
  4. Step 4: Simplify right side
    163,616.80x = 22,693,584,713.28
  5. Step 5: Solve for x
    x = 22,693,584,713.28/163,616.80
  6. Step 6: Final answer
    x = 138,699.60

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1.5x scale

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.