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Finding the Fourth Proportional to 195,430.60, 293,145.90 and 183,620.80

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Solution

The fourth proportional to 195,430.60, 293,145.90 and 183,620.80 is: 275,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,430.60 : 293,145.90 = 183,620.80 : x
  2. Step 2: Convert to fraction form
    195,430.60/293,145.90 = 183,620.80/x
  3. Step 3: Cross multiply
    195,430.60x = 293,145.90 × 183,620.80
  4. Step 4: Simplify right side
    195,430.60x = 53,827,684,674.72
  5. Step 5: Solve for x
    x = 53,827,684,674.72/195,430.60
  6. Step 6: Final answer
    x = 275,431.20

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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.