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Finding the Fourth Proportional to 78,852.94, 108,813.25 and 44,858.23

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Solution

The fourth proportional to 78,852.94, 108,813.25 and 44,858.23 is: 61,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852.94 : 108,813.25 = 44,858.23 : x
  2. Step 2: Convert to fraction form
    78,852.94/108,813.25 = 44,858.23/x
  3. Step 3: Cross multiply
    78,852.94x = 108,813.25 × 44,858.23
  4. Step 4: Simplify right side
    78,852.94x = 4,881,169,795.55
  5. Step 5: Solve for x
    x = 4,881,169,795.55/78,852.94
  6. Step 6: Final answer
    x = 61,902.19

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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.