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Finding the Fourth Proportional to 315,960.61, 473,894.18 and 116,234.28

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Solution

The fourth proportional to 315,960.61, 473,894.18 and 116,234.28 is: 174,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,960.61 : 473,894.18 = 116,234.28 : x
  2. Step 2: Convert to fraction form
    315,960.61/473,894.18 = 116,234.28/x
  3. Step 3: Cross multiply
    315,960.61x = 473,894.18 × 116,234.28
  4. Step 4: Simplify right side
    315,960.61x = 55,082,748,227.32
  5. Step 5: Solve for x
    x = 55,082,748,227.32/315,960.61
  6. Step 6: Final answer
    x = 174,334.23

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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.