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Finding the Fourth Proportional to 212,482.89, 293,138.51 and 126,424.67

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Solution

The fourth proportional to 212,482.89, 293,138.51 and 126,424.67 is: 174,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,482.89 : 293,138.51 = 126,424.67 : x
  2. Step 2: Convert to fraction form
    212,482.89/293,138.51 = 126,424.67/x
  3. Step 3: Cross multiply
    212,482.89x = 293,138.51 × 126,424.67
  4. Step 4: Simplify right side
    212,482.89x = 37,059,937,293.23
  5. Step 5: Solve for x
    x = 37,059,937,293.23/212,482.89
  6. Step 6: Final answer
    x = 174,413.75

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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.