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Finding the Fourth Proportional to 165,576.60, 248,364.90 and 145,893.60

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Solution

The fourth proportional to 165,576.60, 248,364.90 and 145,893.60 is: 218,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,576.60 : 248,364.90 = 145,893.60 : x
  2. Step 2: Convert to fraction form
    165,576.60/248,364.90 = 145,893.60/x
  3. Step 3: Cross multiply
    165,576.60x = 248,364.90 × 145,893.60
  4. Step 4: Simplify right side
    165,576.60x = 36,234,849,374.64
  5. Step 5: Solve for x
    x = 36,234,849,374.64/165,576.60
  6. Step 6: Final answer
    x = 218,840.40

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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.