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Finding the Fourth Proportional to 255,413.70, 352,466.58 and 140,703.06

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Solution

The fourth proportional to 255,413.70, 352,466.58 and 140,703.06 is: 194,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,413.70 : 352,466.58 = 140,703.06 : x
  2. Step 2: Convert to fraction form
    255,413.70/352,466.58 = 140,703.06/x
  3. Step 3: Cross multiply
    255,413.70x = 352,466.58 × 140,703.06
  4. Step 4: Simplify right side
    255,413.70x = 49,593,126,353.73
  5. Step 5: Solve for x
    x = 49,593,126,353.73/255,413.70
  6. Step 6: Final answer
    x = 194,167.84

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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.