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Finding the Fourth Proportional to 223,631.40, 335,447.10 and 73,871.40

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Solution

The fourth proportional to 223,631.40, 335,447.10 and 73,871.40 is: 110,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,631.40 : 335,447.10 = 73,871.40 : x
  2. Step 2: Convert to fraction form
    223,631.40/335,447.10 = 73,871.40/x
  3. Step 3: Cross multiply
    223,631.40x = 335,447.10 × 73,871.40
  4. Step 4: Simplify right side
    223,631.40x = 24,779,946,902.94
  5. Step 5: Solve for x
    x = 24,779,946,902.94/223,631.40
  6. Step 6: Final answer
    x = 110,807.10

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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.