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Finding the Fourth Proportional to 245,532.74, 368,191.67 and 123,878.39

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Solution

The fourth proportional to 245,532.74, 368,191.67 and 123,878.39 is: 185,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,532.74 : 368,191.67 = 123,878.39 : x
  2. Step 2: Convert to fraction form
    245,532.74/368,191.67 = 123,878.39/x
  3. Step 3: Cross multiply
    245,532.74x = 368,191.67 × 123,878.39
  4. Step 4: Simplify right side
    245,532.74x = 45,610,988,830.66
  5. Step 5: Solve for x
    x = 45,610,988,830.66/245,532.74
  6. Step 6: Final answer
    x = 185,763.37

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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.