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Finding the Fourth Proportional to 148,253.19, 222,415.20 and 48,413.58

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Solution

The fourth proportional to 148,253.19, 222,415.20 and 48,413.58 is: 72,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,253.19 : 222,415.20 = 48,413.58 : x
  2. Step 2: Convert to fraction form
    148,253.19/222,415.20 = 48,413.58/x
  3. Step 3: Cross multiply
    148,253.19x = 222,415.20 × 48,413.58
  4. Step 4: Simplify right side
    148,253.19x = 10,767,916,078.42
  5. Step 5: Solve for x
    x = 10,767,916,078.42/148,253.19
  6. Step 6: Final answer
    x = 72,631.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.