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Finding the Fourth Proportional to 248,837.60, 373,256.40 and 147,798.20

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Solution

The fourth proportional to 248,837.60, 373,256.40 and 147,798.20 is: 221,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,837.60 : 373,256.40 = 147,798.20 : x
  2. Step 2: Convert to fraction form
    248,837.60/373,256.40 = 147,798.20/x
  3. Step 3: Cross multiply
    248,837.60x = 373,256.40 × 147,798.20
  4. Step 4: Simplify right side
    248,837.60x = 55,166,624,058.48
  5. Step 5: Solve for x
    x = 55,166,624,058.48/248,837.60
  6. Step 6: Final answer
    x = 221,697.30

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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.