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Finding the Fourth Proportional to 188,487, 282,658.68 and 83,248.56

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Solution

The fourth proportional to 188,487, 282,658.68 and 83,248.56 is: 124,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,487 : 282,658.68 = 83,248.56 : x
  2. Step 2: Convert to fraction form
    188,487/282,658.68 = 83,248.56/x
  3. Step 3: Cross multiply
    188,487x = 282,658.68 × 83,248.56
  4. Step 4: Simplify right side
    188,487x = 23,530,928,081.50
  5. Step 5: Solve for x
    x = 23,530,928,081.50/188,487
  6. Step 6: Final answer
    x = 124,841.12

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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.