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Finding the Fourth Proportional to 188,541.90, 282,905.01 and 88,712.01

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Solution

The fourth proportional to 188,541.90, 282,905.01 and 88,712.01 is: 133,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.90 : 282,905.01 = 88,712.01 : x
  2. Step 2: Convert to fraction form
    188,541.90/282,905.01 = 88,712.01/x
  3. Step 3: Cross multiply
    188,541.90x = 282,905.01 × 88,712.01
  4. Step 4: Simplify right side
    188,541.90x = 25,097,072,076.17
  5. Step 5: Solve for x
    x = 25,097,072,076.17/188,541.90
  6. Step 6: Final answer
    x = 133,111.38

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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.