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Finding the Fourth Proportional to 229,969.02, 344,955.06 and 80,208.76

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Solution

The fourth proportional to 229,969.02, 344,955.06 and 80,208.76 is: 120,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,969.02 : 344,955.06 = 80,208.76 : x
  2. Step 2: Convert to fraction form
    229,969.02/344,955.06 = 80,208.76/x
  3. Step 3: Cross multiply
    229,969.02x = 344,955.06 × 80,208.76
  4. Step 4: Simplify right side
    229,969.02x = 27,668,417,618.33
  5. Step 5: Solve for x
    x = 27,668,417,618.33/229,969.02
  6. Step 6: Final answer
    x = 120,313.67

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1.5x scale

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.