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Finding the Fourth Proportional to 125,906.90, 176,580.70 and 125,906.90

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Solution

The fourth proportional to 125,906.90, 176,580.70 and 125,906.90 is: 176,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,906.90 : 176,580.70 = 125,906.90 : x
  2. Step 2: Convert to fraction form
    125,906.90/176,580.70 = 125,906.90/x
  3. Step 3: Cross multiply
    125,906.90x = 176,580.70 × 125,906.90
  4. Step 4: Simplify right side
    125,906.90x = 22,232,728,536.83
  5. Step 5: Solve for x
    x = 22,232,728,536.83/125,906.90
  6. Step 6: Final answer
    x = 176,580.70

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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.