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Finding the Fourth Proportional to 322,152.16, 483,036.81 and 122,487.16

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Solution

The fourth proportional to 322,152.16, 483,036.81 and 122,487.16 is: 183,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,152.16 : 483,036.81 = 122,487.16 : x
  2. Step 2: Convert to fraction form
    322,152.16/483,036.81 = 122,487.16/x
  3. Step 3: Cross multiply
    322,152.16x = 483,036.81 × 122,487.16
  4. Step 4: Simplify right side
    322,152.16x = 59,165,807,032.36
  5. Step 5: Solve for x
    x = 59,165,807,032.36/322,152.16
  6. Step 6: Final answer
    x = 183,657.96

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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.