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Finding the Fourth Proportional to 153,809.10, 230,747.04 and 47,193.39

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Solution

The fourth proportional to 153,809.10, 230,747.04 and 47,193.39 is: 70,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,809.10 : 230,747.04 = 47,193.39 : x
  2. Step 2: Convert to fraction form
    153,809.10/230,747.04 = 47,193.39/x
  3. Step 3: Cross multiply
    153,809.10x = 230,747.04 × 47,193.39
  4. Step 4: Simplify right side
    153,809.10x = 10,889,735,050.07
  5. Step 5: Solve for x
    x = 10,889,735,050.07/153,809.10
  6. Step 6: Final answer
    x = 70,800.33

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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.