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Finding the Fourth Proportional to 61,852.40, 92,705.70 and 46,251.80

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Solution

The fourth proportional to 61,852.40, 92,705.70 and 46,251.80 is: 69,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,852.40 : 92,705.70 = 46,251.80 : x
  2. Step 2: Convert to fraction form
    61,852.40/92,705.70 = 46,251.80/x
  3. Step 3: Cross multiply
    61,852.40x = 92,705.70 × 46,251.80
  4. Step 4: Simplify right side
    61,852.40x = 4,287,805,495.26
  5. Step 5: Solve for x
    x = 4,287,805,495.26/61,852.40
  6. Step 6: Final answer
    x = 69,323.19

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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.