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Finding the Fourth Proportional to 125,802.54, 173,603.52 and 69,213.60

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Solution

The fourth proportional to 125,802.54, 173,603.52 and 69,213.60 is: 95,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,802.54 : 173,603.52 = 69,213.60 : x
  2. Step 2: Convert to fraction form
    125,802.54/173,603.52 = 69,213.60/x
  3. Step 3: Cross multiply
    125,802.54x = 173,603.52 × 69,213.60
  4. Step 4: Simplify right side
    125,802.54x = 12,015,724,591.87
  5. Step 5: Solve for x
    x = 12,015,724,591.87/125,802.54
  6. Step 6: Final answer
    x = 95,512.58

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1.5x scale

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.