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Finding the Fourth Proportional to 117,807.30, 164,580.30 and 117,807.30

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Solution

The fourth proportional to 117,807.30, 164,580.30 and 117,807.30 is: 164,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,807.30 : 164,580.30 = 117,807.30 : x
  2. Step 2: Convert to fraction form
    117,807.30/164,580.30 = 117,807.30/x
  3. Step 3: Cross multiply
    117,807.30x = 164,580.30 × 117,807.30
  4. Step 4: Simplify right side
    117,807.30x = 19,388,760,776.19
  5. Step 5: Solve for x
    x = 19,388,760,776.19/117,807.30
  6. Step 6: Final answer
    x = 164,580.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.