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Finding the Fourth Proportional to 156,894.84, 235,442.34 and 57,045.46

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Solution

The fourth proportional to 156,894.84, 235,442.34 and 57,045.46 is: 85,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,894.84 : 235,442.34 = 57,045.46 : x
  2. Step 2: Convert to fraction form
    156,894.84/235,442.34 = 57,045.46/x
  3. Step 3: Cross multiply
    156,894.84x = 235,442.34 × 57,045.46
  4. Step 4: Simplify right side
    156,894.84x = 13,430,916,588.78
  5. Step 5: Solve for x
    x = 13,430,916,588.78/156,894.84
  6. Step 6: Final answer
    x = 85,604.58

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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.