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Finding the Fourth Proportional to 216,356.60, 298,588.27 and 124,504.04

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Solution

The fourth proportional to 216,356.60, 298,588.27 and 124,504.04 is: 171,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,356.60 : 298,588.27 = 124,504.04 : x
  2. Step 2: Convert to fraction form
    216,356.60/298,588.27 = 124,504.04/x
  3. Step 3: Cross multiply
    216,356.60x = 298,588.27 × 124,504.04
  4. Step 4: Simplify right side
    216,356.60x = 37,175,445,911.61
  5. Step 5: Solve for x
    x = 37,175,445,911.61/216,356.60
  6. Step 6: Final answer
    x = 171,824.88

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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.