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Finding the Fourth Proportional to 236,462.40, 355,103.20 and 166,830.40

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Solution

The fourth proportional to 236,462.40, 355,103.20 and 166,830.40 is: 250,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,462.40 : 355,103.20 = 166,830.40 : x
  2. Step 2: Convert to fraction form
    236,462.40/355,103.20 = 166,830.40/x
  3. Step 3: Cross multiply
    236,462.40x = 355,103.20 × 166,830.40
  4. Step 4: Simplify right side
    236,462.40x = 59,242,008,897.28
  5. Step 5: Solve for x
    x = 59,242,008,897.28/236,462.40
  6. Step 6: Final answer
    x = 250,534.58

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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.