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Finding the Fourth Proportional to 131,258.63, 196,917.10 and 48,152.63

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Solution

The fourth proportional to 131,258.63, 196,917.10 and 48,152.63 is: 72,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,258.63 : 196,917.10 = 48,152.63 : x
  2. Step 2: Convert to fraction form
    131,258.63/196,917.10 = 48,152.63/x
  3. Step 3: Cross multiply
    131,258.63x = 196,917.10 × 48,152.63
  4. Step 4: Simplify right side
    131,258.63x = 9,482,075,152.01
  5. Step 5: Solve for x
    x = 9,482,075,152.01/131,258.63
  6. Step 6: Final answer
    x = 72,239.63

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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.