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Finding the Fourth Proportional to 242,290.64, 334,361.05 and 134,858.35

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Solution

The fourth proportional to 242,290.64, 334,361.05 and 134,858.35 is: 186,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,290.64 : 334,361.05 = 134,858.35 : x
  2. Step 2: Convert to fraction form
    242,290.64/334,361.05 = 134,858.35/x
  3. Step 3: Cross multiply
    242,290.64x = 334,361.05 × 134,858.35
  4. Step 4: Simplify right side
    242,290.64x = 45,091,379,588.07
  5. Step 5: Solve for x
    x = 45,091,379,588.07/242,290.64
  6. Step 6: Final answer
    x = 186,104.50

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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.