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Finding the Fourth Proportional to 245,385.44, 368,544.72 and 152,540

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Solution

The fourth proportional to 245,385.44, 368,544.72 and 152,540 is: 229,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,385.44 : 368,544.72 = 152,540 : x
  2. Step 2: Convert to fraction form
    245,385.44/368,544.72 = 152,540/x
  3. Step 3: Cross multiply
    245,385.44x = 368,544.72 × 152,540
  4. Step 4: Simplify right side
    245,385.44x = 56,217,811,588.80
  5. Step 5: Solve for x
    x = 56,217,811,588.80/245,385.44
  6. Step 6: Final answer
    x = 229,100.03

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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.