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Finding the Fourth Proportional to 153,413.72, 230,019.06 and 73,463.48

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Solution

The fourth proportional to 153,413.72, 230,019.06 and 73,463.48 is: 110,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,413.72 : 230,019.06 = 73,463.48 : x
  2. Step 2: Convert to fraction form
    153,413.72/230,019.06 = 73,463.48/x
  3. Step 3: Cross multiply
    153,413.72x = 230,019.06 × 73,463.48
  4. Step 4: Simplify right side
    153,413.72x = 16,898,000,613.93
  5. Step 5: Solve for x
    x = 16,898,000,613.93/153,413.72
  6. Step 6: Final answer
    x = 110,146.61

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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.