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Finding the Fourth Proportional to 210,461.10, 315,483.84 and 84,025.17

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Solution

The fourth proportional to 210,461.10, 315,483.84 and 84,025.17 is: 125,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,461.10 : 315,483.84 = 84,025.17 : x
  2. Step 2: Convert to fraction form
    210,461.10/315,483.84 = 84,025.17/x
  3. Step 3: Cross multiply
    210,461.10x = 315,483.84 × 84,025.17
  4. Step 4: Simplify right side
    210,461.10x = 26,508,583,288.25
  5. Step 5: Solve for x
    x = 26,508,583,288.25/210,461.10
  6. Step 6: Final answer
    x = 125,954.79

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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.