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Finding the Fourth Proportional to 164,458.65, 246,688.03 and 57,921.28

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Solution

The fourth proportional to 164,458.65, 246,688.03 and 57,921.28 is: 86,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,458.65 : 246,688.03 = 57,921.28 : x
  2. Step 2: Convert to fraction form
    164,458.65/246,688.03 = 57,921.28/x
  3. Step 3: Cross multiply
    164,458.65x = 246,688.03 × 57,921.28
  4. Step 4: Simplify right side
    164,458.65x = 14,288,485,913.96
  5. Step 5: Solve for x
    x = 14,288,485,913.96/164,458.65
  6. Step 6: Final answer
    x = 86,881.93

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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.