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Finding the Fourth Proportional to 216,446.06, 298,695.06 and 120,952.76

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Solution

The fourth proportional to 216,446.06, 298,695.06 and 120,952.76 is: 166,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,446.06 : 298,695.06 = 120,952.76 : x
  2. Step 2: Convert to fraction form
    216,446.06/298,695.06 = 120,952.76/x
  3. Step 3: Cross multiply
    216,446.06x = 298,695.06 × 120,952.76
  4. Step 4: Simplify right side
    216,446.06x = 36,127,990,411.89
  5. Step 5: Solve for x
    x = 36,127,990,411.89/216,446.06
  6. Step 6: Final answer
    x = 166,914.52

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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.