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Finding the Fourth Proportional to 348,701.10, 523,051.65 and 112,062.30

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Solution

The fourth proportional to 348,701.10, 523,051.65 and 112,062.30 is: 168,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,701.10 : 523,051.65 = 112,062.30 : x
  2. Step 2: Convert to fraction form
    348,701.10/523,051.65 = 112,062.30/x
  3. Step 3: Cross multiply
    348,701.10x = 523,051.65 × 112,062.30
  4. Step 4: Simplify right side
    348,701.10x = 58,614,370,917.80
  5. Step 5: Solve for x
    x = 58,614,370,917.80/348,701.10
  6. Step 6: Final answer
    x = 168,093.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.