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Finding the Fourth Proportional to 216,348.48, 298,560.16 and 119,549.64

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Solution

The fourth proportional to 216,348.48, 298,560.16 and 119,549.64 is: 164,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,348.48 : 298,560.16 = 119,549.64 : x
  2. Step 2: Convert to fraction form
    216,348.48/298,560.16 = 119,549.64/x
  3. Step 3: Cross multiply
    216,348.48x = 298,560.16 × 119,549.64
  4. Step 4: Simplify right side
    216,348.48x = 35,692,759,795.78
  5. Step 5: Solve for x
    x = 35,692,759,795.78/216,348.48
  6. Step 6: Final answer
    x = 164,978.09

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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.