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Finding the Fourth Proportional to 223,141.34, 334,722.76 and 73,378.30

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Solution

The fourth proportional to 223,141.34, 334,722.76 and 73,378.30 is: 110,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,141.34 : 334,722.76 = 73,378.30 : x
  2. Step 2: Convert to fraction form
    223,141.34/334,722.76 = 73,378.30/x
  3. Step 3: Cross multiply
    223,141.34x = 334,722.76 × 73,378.30
  4. Step 4: Simplify right side
    223,141.34x = 24,561,387,100.11
  5. Step 5: Solve for x
    x = 24,561,387,100.11/223,141.34
  6. Step 6: Final answer
    x = 110,070.99

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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.