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Finding the Fourth Proportional to 70,577.48, 105,907.74 and 26,235.40

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Solution

The fourth proportional to 70,577.48, 105,907.74 and 26,235.40 is: 39,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,577.48 : 105,907.74 = 26,235.40 : x
  2. Step 2: Convert to fraction form
    70,577.48/105,907.74 = 26,235.40/x
  3. Step 3: Cross multiply
    70,577.48x = 105,907.74 × 26,235.40
  4. Step 4: Simplify right side
    70,577.48x = 2,778,531,922.00
  5. Step 5: Solve for x
    x = 2,778,531,922.00/70,577.48
  6. Step 6: Final answer
    x = 39,368.53

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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.