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Finding the Fourth Proportional to 104,277.66, 156,413.44 and 25,390.74

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Solution

The fourth proportional to 104,277.66, 156,413.44 and 25,390.74 is: 38,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,277.66 : 156,413.44 = 25,390.74 : x
  2. Step 2: Convert to fraction form
    104,277.66/156,413.44 = 25,390.74/x
  3. Step 3: Cross multiply
    104,277.66x = 156,413.44 × 25,390.74
  4. Step 4: Simplify right side
    104,277.66x = 3,971,452,987.55
  5. Step 5: Solve for x
    x = 3,971,452,987.55/104,277.66
  6. Step 6: Final answer
    x = 38,085.37

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1.5x scale

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.