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Finding the Fourth Proportional to 594,113.12, 891,106.50 and 167,638.40

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Solution

The fourth proportional to 594,113.12, 891,106.50 and 167,638.40 is: 251,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,113.12 : 891,106.50 = 167,638.40 : x
  2. Step 2: Convert to fraction form
    594,113.12/891,106.50 = 167,638.40/x
  3. Step 3: Cross multiply
    594,113.12x = 891,106.50 × 167,638.40
  4. Step 4: Simplify right side
    594,113.12x = 149,383,667,889.60
  5. Step 5: Solve for x
    x = 149,383,667,889.60/594,113.12
  6. Step 6: Final answer
    x = 251,439.77

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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.