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Finding the Fourth Proportional to 134,955, 202,294.26 and 56,115

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Solution

The fourth proportional to 134,955, 202,294.26 and 56,115 is: 84,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,955 : 202,294.26 = 56,115 : x
  2. Step 2: Convert to fraction form
    134,955/202,294.26 = 56,115/x
  3. Step 3: Cross multiply
    134,955x = 202,294.26 × 56,115
  4. Step 4: Simplify right side
    134,955x = 11,351,742,399.90
  5. Step 5: Solve for x
    x = 11,351,742,399.90/134,955
  6. Step 6: Final answer
    x = 84,115.02

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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.