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Finding the Fourth Proportional to 252,607.81, 348,477.92 and 170,964.67

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Solution

The fourth proportional to 252,607.81, 348,477.92 and 170,964.67 is: 235,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,607.81 : 348,477.92 = 170,964.67 : x
  2. Step 2: Convert to fraction form
    252,607.81/348,477.92 = 170,964.67/x
  3. Step 3: Cross multiply
    252,607.81x = 348,477.92 × 170,964.67
  4. Step 4: Simplify right side
    252,607.81x = 59,577,410,852.70
  5. Step 5: Solve for x
    x = 59,577,410,852.70/252,607.81
  6. Step 6: Final answer
    x = 235,849.45

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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.