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Finding the Fourth Proportional to 164,486.80, 246,730.20 and 162,931.60

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Solution

The fourth proportional to 164,486.80, 246,730.20 and 162,931.60 is: 244,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,486.80 : 246,730.20 = 162,931.60 : x
  2. Step 2: Convert to fraction form
    164,486.80/246,730.20 = 162,931.60/x
  3. Step 3: Cross multiply
    164,486.80x = 246,730.20 × 162,931.60
  4. Step 4: Simplify right side
    164,486.80x = 40,200,146,254.32
  5. Step 5: Solve for x
    x = 40,200,146,254.32/164,486.80
  6. Step 6: Final answer
    x = 244,397.40

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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.