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Finding the Fourth Proportional to 242,686.40, 364,029.60 and 171,827.60

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Solution

The fourth proportional to 242,686.40, 364,029.60 and 171,827.60 is: 257,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,686.40 : 364,029.60 = 171,827.60 : x
  2. Step 2: Convert to fraction form
    242,686.40/364,029.60 = 171,827.60/x
  3. Step 3: Cross multiply
    242,686.40x = 364,029.60 × 171,827.60
  4. Step 4: Simplify right side
    242,686.40x = 62,550,332,496.96
  5. Step 5: Solve for x
    x = 62,550,332,496.96/242,686.40
  6. Step 6: Final answer
    x = 257,741.40

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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.