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Finding the Fourth Proportional to 101,368.59, 152,190.78 and 57,026.55

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Solution

The fourth proportional to 101,368.59, 152,190.78 and 57,026.55 is: 85,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,368.59 : 152,190.78 = 57,026.55 : x
  2. Step 2: Convert to fraction form
    101,368.59/152,190.78 = 57,026.55/x
  3. Step 3: Cross multiply
    101,368.59x = 152,190.78 × 57,026.55
  4. Step 4: Simplify right side
    101,368.59x = 8,678,915,125.21
  5. Step 5: Solve for x
    x = 8,678,915,125.21/101,368.59
  6. Step 6: Final answer
    x = 85,617.40

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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.