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Finding the Fourth Proportional to 196,779.60, 295,169.40 and 157,413.60

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Solution

The fourth proportional to 196,779.60, 295,169.40 and 157,413.60 is: 236,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,779.60 : 295,169.40 = 157,413.60 : x
  2. Step 2: Convert to fraction form
    196,779.60/295,169.40 = 157,413.60/x
  3. Step 3: Cross multiply
    196,779.60x = 295,169.40 × 157,413.60
  4. Step 4: Simplify right side
    196,779.60x = 46,463,677,863.84
  5. Step 5: Solve for x
    x = 46,463,677,863.84/196,779.60
  6. Step 6: Final answer
    x = 236,120.40

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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.