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Finding the Fourth Proportional to 164,916.10, 231,349.10 and 164,916.10

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Solution

The fourth proportional to 164,916.10, 231,349.10 and 164,916.10 is: 231,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,916.10 : 231,349.10 = 164,916.10 : x
  2. Step 2: Convert to fraction form
    164,916.10/231,349.10 = 164,916.10/x
  3. Step 3: Cross multiply
    164,916.10x = 231,349.10 × 164,916.10
  4. Step 4: Simplify right side
    164,916.10x = 38,153,191,310.51
  5. Step 5: Solve for x
    x = 38,153,191,310.51/164,916.10
  6. Step 6: Final answer
    x = 231,349.10

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1.5x scale

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.