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Finding the Fourth Proportional to 101,566.53, 152,291.48 and 54,123.21

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Solution

The fourth proportional to 101,566.53, 152,291.48 and 54,123.21 is: 81,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,566.53 : 152,291.48 = 54,123.21 : x
  2. Step 2: Convert to fraction form
    101,566.53/152,291.48 = 54,123.21/x
  3. Step 3: Cross multiply
    101,566.53x = 152,291.48 × 54,123.21
  4. Step 4: Simplify right side
    101,566.53x = 8,242,503,482.63
  5. Step 5: Solve for x
    x = 8,242,503,482.63/101,566.53
  6. Step 6: Final answer
    x = 81,153.74

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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.