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Finding the Fourth Proportional to 347,443.62, 521,054.70 and 110,730.93

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Solution

The fourth proportional to 347,443.62, 521,054.70 and 110,730.93 is: 166,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,443.62 : 521,054.70 = 110,730.93 : x
  2. Step 2: Convert to fraction form
    347,443.62/521,054.70 = 110,730.93/x
  3. Step 3: Cross multiply
    347,443.62x = 521,054.70 × 110,730.93
  4. Step 4: Simplify right side
    347,443.62x = 57,696,871,511.87
  5. Step 5: Solve for x
    x = 57,696,871,511.87/347,443.62
  6. Step 6: Final answer
    x = 166,061.11

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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.