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Finding the Fourth Proportional to 223,975.76, 335,975.88 and 90,836.24

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Solution

The fourth proportional to 223,975.76, 335,975.88 and 90,836.24 is: 136,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,975.76 : 335,975.88 = 90,836.24 : x
  2. Step 2: Convert to fraction form
    223,975.76/335,975.88 = 90,836.24/x
  3. Step 3: Cross multiply
    223,975.76x = 335,975.88 × 90,836.24
  4. Step 4: Simplify right side
    223,975.76x = 30,518,785,669.89
  5. Step 5: Solve for x
    x = 30,518,785,669.89/223,975.76
  6. Step 6: Final answer
    x = 136,259.32

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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.