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Finding the Fourth Proportional to 84,763.30, 127,202.55 and 47,323.30

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Solution

The fourth proportional to 84,763.30, 127,202.55 and 47,323.30 is: 71,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,763.30 : 127,202.55 = 47,323.30 : x
  2. Step 2: Convert to fraction form
    84,763.30/127,202.55 = 47,323.30/x
  3. Step 3: Cross multiply
    84,763.30x = 127,202.55 × 47,323.30
  4. Step 4: Simplify right side
    84,763.30x = 6,019,644,434.42
  5. Step 5: Solve for x
    x = 6,019,644,434.42/84,763.30
  6. Step 6: Final answer
    x = 71,017.11

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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.