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Finding the Fourth Proportional to 216,624.96, 298,822.32 and 125,970.96

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Solution

The fourth proportional to 216,624.96, 298,822.32 and 125,970.96 is: 173,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,624.96 : 298,822.32 = 125,970.96 : x
  2. Step 2: Convert to fraction form
    216,624.96/298,822.32 = 125,970.96/x
  3. Step 3: Cross multiply
    216,624.96x = 298,822.32 × 125,970.96
  4. Step 4: Simplify right side
    216,624.96x = 37,642,934,519.83
  5. Step 5: Solve for x
    x = 37,642,934,519.83/216,624.96
  6. Step 6: Final answer
    x = 173,770.07

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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.