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Finding the Fourth Proportional to 245,860.50, 368,854.13 and 133,511.88

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Solution

The fourth proportional to 245,860.50, 368,854.13 and 133,511.88 is: 200,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,860.50 : 368,854.13 = 133,511.88 : x
  2. Step 2: Convert to fraction form
    245,860.50/368,854.13 = 133,511.88/x
  3. Step 3: Cross multiply
    245,860.50x = 368,854.13 × 133,511.88
  4. Step 4: Simplify right side
    245,860.50x = 49,246,407,674.51
  5. Step 5: Solve for x
    x = 49,246,407,674.51/245,860.50
  6. Step 6: Final answer
    x = 200,302.24

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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.