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Finding the Fourth Proportional to 163,535.01, 225,697.01 and 90,945.13

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Solution

The fourth proportional to 163,535.01, 225,697.01 and 90,945.13 is: 125,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,535.01 : 225,697.01 = 90,945.13 : x
  2. Step 2: Convert to fraction form
    163,535.01/225,697.01 = 90,945.13/x
  3. Step 3: Cross multiply
    163,535.01x = 225,697.01 × 90,945.13
  4. Step 4: Simplify right side
    163,535.01x = 20,526,043,915.06
  5. Step 5: Solve for x
    x = 20,526,043,915.06/163,535.01
  6. Step 6: Final answer
    x = 125,514.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.