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Finding the Fourth Proportional to 181,413.57, 250,353.73 and 99,745.28

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Solution

The fourth proportional to 181,413.57, 250,353.73 and 99,745.28 is: 137,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,413.57 : 250,353.73 = 99,745.28 : x
  2. Step 2: Convert to fraction form
    181,413.57/250,353.73 = 99,745.28/x
  3. Step 3: Cross multiply
    181,413.57x = 250,353.73 × 99,745.28
  4. Step 4: Simplify right side
    181,413.57x = 24,971,602,897.89
  5. Step 5: Solve for x
    x = 24,971,602,897.89/181,413.57
  6. Step 6: Final answer
    x = 137,650.14

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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.