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Finding the Fourth Proportional to 141,842.51, 212,812.36 and 48,413.87

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Solution

The fourth proportional to 141,842.51, 212,812.36 and 48,413.87 is: 72,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,842.51 : 212,812.36 = 48,413.87 : x
  2. Step 2: Convert to fraction form
    141,842.51/212,812.36 = 48,413.87/x
  3. Step 3: Cross multiply
    141,842.51x = 212,812.36 × 48,413.87
  4. Step 4: Simplify right side
    141,842.51x = 10,303,068,746.34
  5. Step 5: Solve for x
    x = 10,303,068,746.34/141,842.51
  6. Step 6: Final answer
    x = 72,637.39

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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.