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Finding the Fourth Proportional to 209,673.36, 314,532.18 and 120,924.90

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Solution

The fourth proportional to 209,673.36, 314,532.18 and 120,924.90 is: 181,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,673.36 : 314,532.18 = 120,924.90 : x
  2. Step 2: Convert to fraction form
    209,673.36/314,532.18 = 120,924.90/x
  3. Step 3: Cross multiply
    209,673.36x = 314,532.18 × 120,924.90
  4. Step 4: Simplify right side
    209,673.36x = 38,034,772,413.28
  5. Step 5: Solve for x
    x = 38,034,772,413.28/209,673.36
  6. Step 6: Final answer
    x = 181,400.12

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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.