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Finding the Fourth Proportional to 220,850.16, 304,750.32 and 124,064.88

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Solution

The fourth proportional to 220,850.16, 304,750.32 and 124,064.88 is: 171,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,850.16 : 304,750.32 = 124,064.88 : x
  2. Step 2: Convert to fraction form
    220,850.16/304,750.32 = 124,064.88/x
  3. Step 3: Cross multiply
    220,850.16x = 304,750.32 × 124,064.88
  4. Step 4: Simplify right side
    220,850.16x = 37,808,811,880.76
  5. Step 5: Solve for x
    x = 37,808,811,880.76/220,850.16
  6. Step 6: Final answer
    x = 171,196.67

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1.5x scale

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.