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Finding the Fourth Proportional to 163,602.85, 245,535.52 and 84,739.63

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Solution

The fourth proportional to 163,602.85, 245,535.52 and 84,739.63 is: 127,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.85 : 245,535.52 = 84,739.63 : x
  2. Step 2: Convert to fraction form
    163,602.85/245,535.52 = 84,739.63/x
  3. Step 3: Cross multiply
    163,602.85x = 245,535.52 × 84,739.63
  4. Step 4: Simplify right side
    163,602.85x = 20,806,588,290.97
  5. Step 5: Solve for x
    x = 20,806,588,290.97/163,602.85
  6. Step 6: Final answer
    x = 127,177.42

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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.