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Finding the Fourth Proportional to 158,301.60, 237,394.80 and 79,389.60

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Solution

The fourth proportional to 158,301.60, 237,394.80 and 79,389.60 is: 119,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,301.60 : 237,394.80 = 79,389.60 : x
  2. Step 2: Convert to fraction form
    158,301.60/237,394.80 = 79,389.60/x
  3. Step 3: Cross multiply
    158,301.60x = 237,394.80 × 79,389.60
  4. Step 4: Simplify right side
    158,301.60x = 18,846,678,214.08
  5. Step 5: Solve for x
    x = 18,846,678,214.08/158,301.60
  6. Step 6: Final answer
    x = 119,055.51

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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.