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Finding the Fourth Proportional to 124,521.30, 186,783.30 and 35,775.54

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Solution

The fourth proportional to 124,521.30, 186,783.30 and 35,775.54 is: 53,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521.30 : 186,783.30 = 35,775.54 : x
  2. Step 2: Convert to fraction form
    124,521.30/186,783.30 = 35,775.54/x
  3. Step 3: Cross multiply
    124,521.30x = 186,783.30 × 35,775.54
  4. Step 4: Simplify right side
    124,521.30x = 6,682,273,420.48
  5. Step 5: Solve for x
    x = 6,682,273,420.48/124,521.30
  6. Step 6: Final answer
    x = 53,663.70

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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.