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Finding the Fourth Proportional to 126,924.48, 190,413.48 and 48,036.96

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Solution

The fourth proportional to 126,924.48, 190,413.48 and 48,036.96 is: 72,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,924.48 : 190,413.48 = 48,036.96 : x
  2. Step 2: Convert to fraction form
    126,924.48/190,413.48 = 48,036.96/x
  3. Step 3: Cross multiply
    126,924.48x = 190,413.48 × 48,036.96
  4. Step 4: Simplify right side
    126,924.48x = 9,146,884,722.22
  5. Step 5: Solve for x
    x = 9,146,884,722.22/126,924.48
  6. Step 6: Final answer
    x = 72,065.57

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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.