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Finding the Fourth Proportional to 216,286.76, 298,484.29 and 124,405.93

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Solution

The fourth proportional to 216,286.76, 298,484.29 and 124,405.93 is: 171,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,286.76 : 298,484.29 = 124,405.93 : x
  2. Step 2: Convert to fraction form
    216,286.76/298,484.29 = 124,405.93/x
  3. Step 3: Cross multiply
    216,286.76x = 298,484.29 × 124,405.93
  4. Step 4: Simplify right side
    216,286.76x = 37,133,214,537.48
  5. Step 5: Solve for x
    x = 37,133,214,537.48/216,286.76
  6. Step 6: Final answer
    x = 171,685.10

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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.