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Finding the Fourth Proportional to 145,670.58, 218,324.37 and 52,073.46

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Solution

The fourth proportional to 145,670.58, 218,324.37 and 52,073.46 is: 78,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,670.58 : 218,324.37 = 52,073.46 : x
  2. Step 2: Convert to fraction form
    145,670.58/218,324.37 = 52,073.46/x
  3. Step 3: Cross multiply
    145,670.58x = 218,324.37 × 52,073.46
  4. Step 4: Simplify right side
    145,670.58x = 11,368,905,348.22
  5. Step 5: Solve for x
    x = 11,368,905,348.22/145,670.58
  6. Step 6: Final answer
    x = 78,045.31

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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.