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Finding the Fourth Proportional to 252,387.63, 348,178.64 and 161,700.03

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Solution

The fourth proportional to 252,387.63, 348,178.64 and 161,700.03 is: 223,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,387.63 : 348,178.64 = 161,700.03 : x
  2. Step 2: Convert to fraction form
    252,387.63/348,178.64 = 161,700.03/x
  3. Step 3: Cross multiply
    252,387.63x = 348,178.64 × 161,700.03
  4. Step 4: Simplify right side
    252,387.63x = 56,300,495,724.86
  5. Step 5: Solve for x
    x = 56,300,495,724.86/252,387.63
  6. Step 6: Final answer
    x = 223,071.53

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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.