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Finding the Fourth Proportional to 125,629.10, 176,347.30 and 125,629.10

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Solution

The fourth proportional to 125,629.10, 176,347.30 and 125,629.10 is: 176,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,629.10 : 176,347.30 = 125,629.10 : x
  2. Step 2: Convert to fraction form
    125,629.10/176,347.30 = 125,629.10/x
  3. Step 3: Cross multiply
    125,629.10x = 176,347.30 × 125,629.10
  4. Step 4: Simplify right side
    125,629.10x = 22,154,352,586.43
  5. Step 5: Solve for x
    x = 22,154,352,586.43/125,629.10
  6. Step 6: Final answer
    x = 176,347.30

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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.