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Finding the Fourth Proportional to 223,506.40, 335,162.40 and 73,688.80

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Solution

The fourth proportional to 223,506.40, 335,162.40 and 73,688.80 is: 110,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,506.40 : 335,162.40 = 73,688.80 : x
  2. Step 2: Convert to fraction form
    223,506.40/335,162.40 = 73,688.80/x
  3. Step 3: Cross multiply
    223,506.40x = 335,162.40 × 73,688.80
  4. Step 4: Simplify right side
    223,506.40x = 24,697,715,061.12
  5. Step 5: Solve for x
    x = 24,697,715,061.12/223,506.40
  6. Step 6: Final answer
    x = 110,501.15

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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.