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Finding the Fourth Proportional to 164,930.10, 231,368.70 and 164,930.10

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Solution

The fourth proportional to 164,930.10, 231,368.70 and 164,930.10 is: 231,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,930.10 : 231,368.70 = 164,930.10 : x
  2. Step 2: Convert to fraction form
    164,930.10/231,368.70 = 164,930.10/x
  3. Step 3: Cross multiply
    164,930.10x = 231,368.70 × 164,930.10
  4. Step 4: Simplify right side
    164,930.10x = 38,159,662,827.87
  5. Step 5: Solve for x
    x = 38,159,662,827.87/164,930.10
  6. Step 6: Final answer
    x = 231,368.70

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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.