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Finding the Fourth Proportional to 190,367.01, 285,583.32 and 64,019.16

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Solution

The fourth proportional to 190,367.01, 285,583.32 and 64,019.16 is: 96,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,367.01 : 285,583.32 = 64,019.16 : x
  2. Step 2: Convert to fraction form
    190,367.01/285,583.32 = 64,019.16/x
  3. Step 3: Cross multiply
    190,367.01x = 285,583.32 × 64,019.16
  4. Step 4: Simplify right side
    190,367.01x = 18,282,804,256.41
  5. Step 5: Solve for x
    x = 18,282,804,256.41/190,367.01
  6. Step 6: Final answer
    x = 96,039.77

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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.