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Finding the Fourth Proportional to 88,413.40, 132,425.70 and 46,811.80

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Solution

The fourth proportional to 88,413.40, 132,425.70 and 46,811.80 is: 70,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,413.40 : 132,425.70 = 46,811.80 : x
  2. Step 2: Convert to fraction form
    88,413.40/132,425.70 = 46,811.80/x
  3. Step 3: Cross multiply
    88,413.40x = 132,425.70 × 46,811.80
  4. Step 4: Simplify right side
    88,413.40x = 6,199,085,383.26
  5. Step 5: Solve for x
    x = 6,199,085,383.26/88,413.40
  6. Step 6: Final answer
    x = 70,114.77

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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.