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Finding the Fourth Proportional to 163,754.67, 245,554.15 and 57,125.67

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Solution

The fourth proportional to 163,754.67, 245,554.15 and 57,125.67 is: 85,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,754.67 : 245,554.15 = 57,125.67 : x
  2. Step 2: Convert to fraction form
    163,754.67/245,554.15 = 57,125.67/x
  3. Step 3: Cross multiply
    163,754.67x = 245,554.15 × 57,125.67
  4. Step 4: Simplify right side
    163,754.67x = 14,027,445,340.03
  5. Step 5: Solve for x
    x = 14,027,445,340.03/163,754.67
  6. Step 6: Final answer
    x = 85,661.35

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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.