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Finding the Fourth Proportional to 242,068.55, 334,028.99 and 134,621.33

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Solution

The fourth proportional to 242,068.55, 334,028.99 and 134,621.33 is: 185,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,068.55 : 334,028.99 = 134,621.33 : x
  2. Step 2: Convert to fraction form
    242,068.55/334,028.99 = 134,621.33/x
  3. Step 3: Cross multiply
    242,068.55x = 334,028.99 × 134,621.33
  4. Step 4: Simplify right side
    242,068.55x = 44,967,425,558.77
  5. Step 5: Solve for x
    x = 44,967,425,558.77/242,068.55
  6. Step 6: Final answer
    x = 185,763.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.