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Finding the Fourth Proportional to 84,941.60, 117,220.70 and 46,702.80

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Solution

The fourth proportional to 84,941.60, 117,220.70 and 46,702.80 is: 64,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,941.60 : 117,220.70 = 46,702.80 : x
  2. Step 2: Convert to fraction form
    84,941.60/117,220.70 = 46,702.80/x
  3. Step 3: Cross multiply
    84,941.60x = 117,220.70 × 46,702.80
  4. Step 4: Simplify right side
    84,941.60x = 5,474,535,024.72
  5. Step 5: Solve for x
    x = 5,474,535,024.72/84,941.60
  6. Step 6: Final answer
    x = 64,450.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.