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Finding the Fourth Proportional to 216,513.63, 324,836.06 and 98,153.19

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Solution

The fourth proportional to 216,513.63, 324,836.06 and 98,153.19 is: 147,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,513.63 : 324,836.06 = 98,153.19 : x
  2. Step 2: Convert to fraction form
    216,513.63/324,836.06 = 98,153.19/x
  3. Step 3: Cross multiply
    216,513.63x = 324,836.06 × 98,153.19
  4. Step 4: Simplify right side
    216,513.63x = 31,883,695,025.27
  5. Step 5: Solve for x
    x = 31,883,695,025.27/216,513.63
  6. Step 6: Final answer
    x = 147,259.53

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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.