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Finding the Fourth Proportional to 160,948.50, 222,108.93 and 90,292.50

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Solution

The fourth proportional to 160,948.50, 222,108.93 and 90,292.50 is: 124,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,948.50 : 222,108.93 = 90,292.50 : x
  2. Step 2: Convert to fraction form
    160,948.50/222,108.93 = 90,292.50/x
  3. Step 3: Cross multiply
    160,948.50x = 222,108.93 × 90,292.50
  4. Step 4: Simplify right side
    160,948.50x = 20,054,770,562.03
  5. Step 5: Solve for x
    x = 20,054,770,562.03/160,948.50
  6. Step 6: Final answer
    x = 124,603.65

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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.