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Finding the Fourth Proportional to 248,140.60, 372,210.90 and 98,331.10

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Solution

The fourth proportional to 248,140.60, 372,210.90 and 98,331.10 is: 147,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,140.60 : 372,210.90 = 98,331.10 : x
  2. Step 2: Convert to fraction form
    248,140.60/372,210.90 = 98,331.10/x
  3. Step 3: Cross multiply
    248,140.60x = 372,210.90 × 98,331.10
  4. Step 4: Simplify right side
    248,140.60x = 36,599,907,228.99
  5. Step 5: Solve for x
    x = 36,599,907,228.99/248,140.60
  6. Step 6: Final answer
    x = 147,496.65

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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.