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Finding the Fourth Proportional to 188,018.01, 282,006.92 and 53,078.76

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Solution

The fourth proportional to 188,018.01, 282,006.92 and 53,078.76 is: 79,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,018.01 : 282,006.92 = 53,078.76 : x
  2. Step 2: Convert to fraction form
    188,018.01/282,006.92 = 53,078.76/x
  3. Step 3: Cross multiply
    188,018.01x = 282,006.92 × 53,078.76
  4. Step 4: Simplify right side
    188,018.01x = 14,968,577,359.63
  5. Step 5: Solve for x
    x = 14,968,577,359.63/188,018.01
  6. Step 6: Final answer
    x = 79,612.47

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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.