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Finding the Fourth Proportional to 153,354.80, 230,039.40 and 48,177.20

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Solution

The fourth proportional to 153,354.80, 230,039.40 and 48,177.20 is: 72,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,354.80 : 230,039.40 = 48,177.20 : x
  2. Step 2: Convert to fraction form
    153,354.80/230,039.40 = 48,177.20/x
  3. Step 3: Cross multiply
    153,354.80x = 230,039.40 × 48,177.20
  4. Step 4: Simplify right side
    153,354.80x = 11,082,654,181.68
  5. Step 5: Solve for x
    x = 11,082,654,181.68/153,354.80
  6. Step 6: Final answer
    x = 72,268.06

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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.