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Finding the Fourth Proportional to 163,312.19, 244,738.54 and 129,883.89

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Solution

The fourth proportional to 163,312.19, 244,738.54 and 129,883.89 is: 194,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,312.19 : 244,738.54 = 129,883.89 : x
  2. Step 2: Convert to fraction form
    163,312.19/244,738.54 = 129,883.89/x
  3. Step 3: Cross multiply
    163,312.19x = 244,738.54 × 129,883.89
  4. Step 4: Simplify right side
    163,312.19x = 31,787,592,958.70
  5. Step 5: Solve for x
    x = 31,787,592,958.70/163,312.19
  6. Step 6: Final answer
    x = 194,643.12

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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.