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Finding the Fourth Proportional to 243,840.96, 336,500.64 and 136,411.02

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Solution

The fourth proportional to 243,840.96, 336,500.64 and 136,411.02 is: 188,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,840.96 : 336,500.64 = 136,411.02 : x
  2. Step 2: Convert to fraction form
    243,840.96/336,500.64 = 136,411.02/x
  3. Step 3: Cross multiply
    243,840.96x = 336,500.64 × 136,411.02
  4. Step 4: Simplify right side
    243,840.96x = 45,902,395,533.05
  5. Step 5: Solve for x
    x = 45,902,395,533.05/243,840.96
  6. Step 6: Final answer
    x = 188,247.27

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1.5x scale

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.