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Finding the Fourth Proportional to 242,080.60, 334,063.20 and 134,647.60

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Solution

The fourth proportional to 242,080.60, 334,063.20 and 134,647.60 is: 185,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,080.60 : 334,063.20 = 134,647.60 : x
  2. Step 2: Convert to fraction form
    242,080.60/334,063.20 = 134,647.60/x
  3. Step 3: Cross multiply
    242,080.60x = 334,063.20 × 134,647.60
  4. Step 4: Simplify right side
    242,080.60x = 44,980,808,128.32
  5. Step 5: Solve for x
    x = 44,980,808,128.32/242,080.60
  6. Step 6: Final answer
    x = 185,809.22

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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.