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Finding the Fourth Proportional to 216,825.72, 299,228.76 and 134,057.76

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Solution

The fourth proportional to 216,825.72, 299,228.76 and 134,057.76 is: 185,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,825.72 : 299,228.76 = 134,057.76 : x
  2. Step 2: Convert to fraction form
    216,825.72/299,228.76 = 134,057.76/x
  3. Step 3: Cross multiply
    216,825.72x = 299,228.76 × 134,057.76
  4. Step 4: Simplify right side
    216,825.72x = 40,113,937,293.18
  5. Step 5: Solve for x
    x = 40,113,937,293.18/216,825.72
  6. Step 6: Final answer
    x = 185,005.44

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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.