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Finding the Fourth Proportional to 107,053.61, 160,413.62 and 40,457.39

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Solution

The fourth proportional to 107,053.61, 160,413.62 and 40,457.39 is: 60,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,053.61 : 160,413.62 = 40,457.39 : x
  2. Step 2: Convert to fraction form
    107,053.61/160,413.62 = 40,457.39/x
  3. Step 3: Cross multiply
    107,053.61x = 160,413.62 × 40,457.39
  4. Step 4: Simplify right side
    107,053.61x = 6,489,915,381.30
  5. Step 5: Solve for x
    x = 6,489,915,381.30/107,053.61
  6. Step 6: Final answer
    x = 60,623.04

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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.