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Finding the Fourth Proportional to 164,953.40, 247,405.80 and 46,636.70

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Solution

The fourth proportional to 164,953.40, 247,405.80 and 46,636.70 is: 69,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,953.40 : 247,405.80 = 46,636.70 : x
  2. Step 2: Convert to fraction form
    164,953.40/247,405.80 = 46,636.70/x
  3. Step 3: Cross multiply
    164,953.40x = 247,405.80 × 46,636.70
  4. Step 4: Simplify right side
    164,953.40x = 11,538,190,072.86
  5. Step 5: Solve for x
    x = 11,538,190,072.86/164,953.40
  6. Step 6: Final answer
    x = 69,948.18

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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.