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Finding the Fourth Proportional to 104,648.77, 144,413.25 and 56,901.70

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Solution

The fourth proportional to 104,648.77, 144,413.25 and 56,901.70 is: 78,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,648.77 : 144,413.25 = 56,901.70 : x
  2. Step 2: Convert to fraction form
    104,648.77/144,413.25 = 56,901.70/x
  3. Step 3: Cross multiply
    104,648.77x = 144,413.25 × 56,901.70
  4. Step 4: Simplify right side
    104,648.77x = 8,217,359,427.53
  5. Step 5: Solve for x
    x = 8,217,359,427.53/104,648.77
  6. Step 6: Final answer
    x = 78,523.23

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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.