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Finding the Fourth Proportional to 102,530.80, 153,796.20 and 62,959.60

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Solution

The fourth proportional to 102,530.80, 153,796.20 and 62,959.60 is: 94,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,530.80 : 153,796.20 = 62,959.60 : x
  2. Step 2: Convert to fraction form
    102,530.80/153,796.20 = 62,959.60/x
  3. Step 3: Cross multiply
    102,530.80x = 153,796.20 × 62,959.60
  4. Step 4: Simplify right side
    102,530.80x = 9,682,947,233.52
  5. Step 5: Solve for x
    x = 9,682,947,233.52/102,530.80
  6. Step 6: Final answer
    x = 94,439.40

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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.