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Finding the Fourth Proportional to 248,840.10, 373,260.15 and 147,800.70

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Solution

The fourth proportional to 248,840.10, 373,260.15 and 147,800.70 is: 221,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,840.10 : 373,260.15 = 147,800.70 : x
  2. Step 2: Convert to fraction form
    248,840.10/373,260.15 = 147,800.70/x
  3. Step 3: Cross multiply
    248,840.10x = 373,260.15 × 147,800.70
  4. Step 4: Simplify right side
    248,840.10x = 55,168,111,452.11
  5. Step 5: Solve for x
    x = 55,168,111,452.11/248,840.10
  6. Step 6: Final answer
    x = 221,701.05

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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.