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Finding the Fourth Proportional to 164,957.40, 247,411.80 and 46,640.70

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Solution

The fourth proportional to 164,957.40, 247,411.80 and 46,640.70 is: 69,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,957.40 : 247,411.80 = 46,640.70 : x
  2. Step 2: Convert to fraction form
    164,957.40/247,411.80 = 46,640.70/x
  3. Step 3: Cross multiply
    164,957.40x = 247,411.80 × 46,640.70
  4. Step 4: Simplify right side
    164,957.40x = 11,539,459,540.26
  5. Step 5: Solve for x
    x = 11,539,459,540.26/164,957.40
  6. Step 6: Final answer
    x = 69,954.18

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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.