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Finding the Fourth Proportional to 230,583.68, 345,886.12 and 70,648.16

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Solution

The fourth proportional to 230,583.68, 345,886.12 and 70,648.16 is: 105,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,583.68 : 345,886.12 = 70,648.16 : x
  2. Step 2: Convert to fraction form
    230,583.68/345,886.12 = 70,648.16/x
  3. Step 3: Cross multiply
    230,583.68x = 345,886.12 × 70,648.16
  4. Step 4: Simplify right side
    230,583.68x = 24,436,217,947.54
  5. Step 5: Solve for x
    x = 24,436,217,947.54/230,583.68
  6. Step 6: Final answer
    x = 105,975.49

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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.