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Finding the Fourth Proportional to 90,482.34, 124,865.88 and 50,199.84

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Solution

The fourth proportional to 90,482.34, 124,865.88 and 50,199.84 is: 69,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,482.34 : 124,865.88 = 50,199.84 : x
  2. Step 2: Convert to fraction form
    90,482.34/124,865.88 = 50,199.84/x
  3. Step 3: Cross multiply
    90,482.34x = 124,865.88 × 50,199.84
  4. Step 4: Simplify right side
    90,482.34x = 6,268,247,197.46
  5. Step 5: Solve for x
    x = 6,268,247,197.46/90,482.34
  6. Step 6: Final answer
    x = 69,275.92

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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.