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Finding the Fourth Proportional to 223,247.04, 334,873.16 and 65,478.64

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Solution

The fourth proportional to 223,247.04, 334,873.16 and 65,478.64 is: 98,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,247.04 : 334,873.16 = 65,478.64 : x
  2. Step 2: Convert to fraction form
    223,247.04/334,873.16 = 65,478.64/x
  3. Step 3: Cross multiply
    223,247.04x = 334,873.16 × 65,478.64
  4. Step 4: Simplify right side
    223,247.04x = 21,927,039,089.30
  5. Step 5: Solve for x
    x = 21,927,039,089.30/223,247.04
  6. Step 6: Final answer
    x = 98,218.72

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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.