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Finding the Fourth Proportional to 246,130.40, 368,612.40 and 166,815.20

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Solution

The fourth proportional to 246,130.40, 368,612.40 and 166,815.20 is: 249,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,130.40 : 368,612.40 = 166,815.20 : x
  2. Step 2: Convert to fraction form
    246,130.40/368,612.40 = 166,815.20/x
  3. Step 3: Cross multiply
    246,130.40x = 368,612.40 × 166,815.20
  4. Step 4: Simplify right side
    246,130.40x = 61,490,151,228.48
  5. Step 5: Solve for x
    x = 61,490,151,228.48/246,130.40
  6. Step 6: Final answer
    x = 249,827.54

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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.