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Finding the Fourth Proportional to 108,980.36, 150,389.34 and 60,582.05

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Solution

The fourth proportional to 108,980.36, 150,389.34 and 60,582.05 is: 83,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,980.36 : 150,389.34 = 60,582.05 : x
  2. Step 2: Convert to fraction form
    108,980.36/150,389.34 = 60,582.05/x
  3. Step 3: Cross multiply
    108,980.36x = 150,389.34 × 60,582.05
  4. Step 4: Simplify right side
    108,980.36x = 9,110,894,515.35
  5. Step 5: Solve for x
    x = 9,110,894,515.35/108,980.36
  6. Step 6: Final answer
    x = 83,601.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.