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Finding the Fourth Proportional to 164,807.70, 247,179.15 and 53,999.70

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Solution

The fourth proportional to 164,807.70, 247,179.15 and 53,999.70 is: 80,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,807.70 : 247,179.15 = 53,999.70 : x
  2. Step 2: Convert to fraction form
    164,807.70/247,179.15 = 53,999.70/x
  3. Step 3: Cross multiply
    164,807.70x = 247,179.15 × 53,999.70
  4. Step 4: Simplify right side
    164,807.70x = 13,347,599,946.26
  5. Step 5: Solve for x
    x = 13,347,599,946.26/164,807.70
  6. Step 6: Final answer
    x = 80,988.93

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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.