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Finding the Fourth Proportional to 188,515.77, 282,775.59 and 55,398.39

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Solution

The fourth proportional to 188,515.77, 282,775.59 and 55,398.39 is: 83,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,515.77 : 282,775.59 = 55,398.39 : x
  2. Step 2: Convert to fraction form
    188,515.77/282,775.59 = 55,398.39/x
  3. Step 3: Cross multiply
    188,515.77x = 282,775.59 × 55,398.39
  4. Step 4: Simplify right side
    188,515.77x = 15,665,312,417.30
  5. Step 5: Solve for x
    x = 15,665,312,417.30/188,515.77
  6. Step 6: Final answer
    x = 83,098.15

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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.