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Finding the Fourth Proportional to 190,482.53, 262,872.29 and 105,594.53

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Solution

The fourth proportional to 190,482.53, 262,872.29 and 105,594.53 is: 145,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,482.53 : 262,872.29 = 105,594.53 : x
  2. Step 2: Convert to fraction form
    190,482.53/262,872.29 = 105,594.53/x
  3. Step 3: Cross multiply
    190,482.53x = 262,872.29 × 105,594.53
  4. Step 4: Simplify right side
    190,482.53x = 27,757,875,384.60
  5. Step 5: Solve for x
    x = 27,757,875,384.60/190,482.53
  6. Step 6: Final answer
    x = 145,724.00

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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.