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Finding the Fourth Proportional to 195,658.56, 293,490.54 and 55,417.05

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Solution

The fourth proportional to 195,658.56, 293,490.54 and 55,417.05 is: 83,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,658.56 : 293,490.54 = 55,417.05 : x
  2. Step 2: Convert to fraction form
    195,658.56/293,490.54 = 55,417.05/x
  3. Step 3: Cross multiply
    195,658.56x = 293,490.54 × 55,417.05
  4. Step 4: Simplify right side
    195,658.56x = 16,264,379,929.71
  5. Step 5: Solve for x
    x = 16,264,379,929.71/195,658.56
  6. Step 6: Final answer
    x = 83,126.34

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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.