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Finding the Fourth Proportional to 188,665.47, 282,998.21 and 48,424.10

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Solution

The fourth proportional to 188,665.47, 282,998.21 and 48,424.10 is: 72,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,665.47 : 282,998.21 = 48,424.10 : x
  2. Step 2: Convert to fraction form
    188,665.47/282,998.21 = 48,424.10/x
  3. Step 3: Cross multiply
    188,665.47x = 282,998.21 × 48,424.10
  4. Step 4: Simplify right side
    188,665.47x = 13,703,931,963.75
  5. Step 5: Solve for x
    x = 13,703,931,963.75/188,665.47
  6. Step 6: Final answer
    x = 72,636.14

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Similar ratio
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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.