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Finding the Fourth Proportional to 194,447.80, 291,210.90 and 119,798.20

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Solution

The fourth proportional to 194,447.80, 291,210.90 and 119,798.20 is: 179,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,447.80 : 291,210.90 = 119,798.20 : x
  2. Step 2: Convert to fraction form
    194,447.80/291,210.90 = 119,798.20/x
  3. Step 3: Cross multiply
    194,447.80x = 291,210.90 × 119,798.20
  4. Step 4: Simplify right side
    194,447.80x = 34,886,541,640.38
  5. Step 5: Solve for x
    x = 34,886,541,640.38/194,447.80
  6. Step 6: Final answer
    x = 179,413.40

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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.