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Finding the Fourth Proportional to 125,630.04, 173,363.04 and 69,030.48

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Solution

The fourth proportional to 125,630.04, 173,363.04 and 69,030.48 is: 95,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,630.04 : 173,363.04 = 69,030.48 : x
  2. Step 2: Convert to fraction form
    125,630.04/173,363.04 = 69,030.48/x
  3. Step 3: Cross multiply
    125,630.04x = 173,363.04 × 69,030.48
  4. Step 4: Simplify right side
    125,630.04x = 11,967,333,865.46
  5. Step 5: Solve for x
    x = 11,967,333,865.46/125,630.04
  6. Step 6: Final answer
    x = 95,258.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.