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Finding the Fourth Proportional to 216,483.18, 298,720.89 and 119,674.01

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Solution

The fourth proportional to 216,483.18, 298,720.89 and 119,674.01 is: 165,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,483.18 : 298,720.89 = 119,674.01 : x
  2. Step 2: Convert to fraction form
    216,483.18/298,720.89 = 119,674.01/x
  3. Step 3: Cross multiply
    216,483.18x = 298,720.89 × 119,674.01
  4. Step 4: Simplify right side
    216,483.18x = 35,749,125,283.46
  5. Step 5: Solve for x
    x = 35,749,125,283.46/216,483.18
  6. Step 6: Final answer
    x = 165,135.81

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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.