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Finding the Fourth Proportional to 97,734.80, 146,893.80 and 84,904.40

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Solution

The fourth proportional to 97,734.80, 146,893.80 and 84,904.40 is: 127,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,734.80 : 146,893.80 = 84,904.40 : x
  2. Step 2: Convert to fraction form
    97,734.80/146,893.80 = 84,904.40/x
  3. Step 3: Cross multiply
    97,734.80x = 146,893.80 × 84,904.40
  4. Step 4: Simplify right side
    97,734.80x = 12,471,929,952.72
  5. Step 5: Solve for x
    x = 12,471,929,952.72/97,734.80
  6. Step 6: Final answer
    x = 127,609.92

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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.