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Finding the Fourth Proportional to 128,373.84, 192,504.56 and 60,925.16

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Solution

The fourth proportional to 128,373.84, 192,504.56 and 60,925.16 is: 91,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,373.84 : 192,504.56 = 60,925.16 : x
  2. Step 2: Convert to fraction form
    128,373.84/192,504.56 = 60,925.16/x
  3. Step 3: Cross multiply
    128,373.84x = 192,504.56 × 60,925.16
  4. Step 4: Simplify right side
    128,373.84x = 11,728,371,295.37
  5. Step 5: Solve for x
    x = 11,728,371,295.37/128,373.84
  6. Step 6: Final answer
    x = 91,361.07

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1.5x scale

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.