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Finding the Fourth Proportional to 163,038.56, 224,993.01 and 90,452.46

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Solution

The fourth proportional to 163,038.56, 224,993.01 and 90,452.46 is: 124,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,038.56 : 224,993.01 = 90,452.46 : x
  2. Step 2: Convert to fraction form
    163,038.56/224,993.01 = 90,452.46/x
  3. Step 3: Cross multiply
    163,038.56x = 224,993.01 × 90,452.46
  4. Step 4: Simplify right side
    163,038.56x = 20,351,169,660.08
  5. Step 5: Solve for x
    x = 20,351,169,660.08/163,038.56
  6. Step 6: Final answer
    x = 124,824.27

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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.