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Finding the Fourth Proportional to 117,813.30, 164,588.70 and 117,813.30

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Solution

The fourth proportional to 117,813.30, 164,588.70 and 117,813.30 is: 164,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,813.30 : 164,588.70 = 117,813.30 : x
  2. Step 2: Convert to fraction form
    117,813.30/164,588.70 = 117,813.30/x
  3. Step 3: Cross multiply
    117,813.30x = 164,588.70 × 117,813.30
  4. Step 4: Simplify right side
    117,813.30x = 19,390,737,889.71
  5. Step 5: Solve for x
    x = 19,390,737,889.71/117,813.30
  6. Step 6: Final answer
    x = 164,588.70

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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.