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Finding the Fourth Proportional to 192,101.76, 265,068.72 and 107,218.80

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Solution

The fourth proportional to 192,101.76, 265,068.72 and 107,218.80 is: 147,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,101.76 : 265,068.72 = 107,218.80 : x
  2. Step 2: Convert to fraction form
    192,101.76/265,068.72 = 107,218.80/x
  3. Step 3: Cross multiply
    192,101.76x = 265,068.72 × 107,218.80
  4. Step 4: Simplify right side
    192,101.76x = 28,420,350,075.94
  5. Step 5: Solve for x
    x = 28,420,350,075.94/192,101.76
  6. Step 6: Final answer
    x = 147,944.25

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1.5x scale

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.