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Finding the Fourth Proportional to 96,675.95, 133,413.72 and 54,235.39

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Solution

The fourth proportional to 96,675.95, 133,413.72 and 54,235.39 is: 74,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,675.95 : 133,413.72 = 54,235.39 : x
  2. Step 2: Convert to fraction form
    96,675.95/133,413.72 = 54,235.39/x
  3. Step 3: Cross multiply
    96,675.95x = 133,413.72 × 54,235.39
  4. Step 4: Simplify right side
    96,675.95x = 7,235,744,864.37
  5. Step 5: Solve for x
    x = 7,235,744,864.37/96,675.95
  6. Step 6: Final answer
    x = 74,845.35

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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.