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Finding the Fourth Proportional to 223,053.60, 334,612.80 and 73,268.40

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Solution

The fourth proportional to 223,053.60, 334,612.80 and 73,268.40 is: 109,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,053.60 : 334,612.80 = 73,268.40 : x
  2. Step 2: Convert to fraction form
    223,053.60/334,612.80 = 73,268.40/x
  3. Step 3: Cross multiply
    223,053.60x = 334,612.80 × 73,268.40
  4. Step 4: Simplify right side
    223,053.60x = 24,516,544,475.52
  5. Step 5: Solve for x
    x = 24,516,544,475.52/223,053.60
  6. Step 6: Final answer
    x = 109,913.24

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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.