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Finding the Fourth Proportional to 183,809.60, 275,714.40 and 153,742.40

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Solution

The fourth proportional to 183,809.60, 275,714.40 and 153,742.40 is: 230,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,809.60 : 275,714.40 = 153,742.40 : x
  2. Step 2: Convert to fraction form
    183,809.60/275,714.40 = 153,742.40/x
  3. Step 3: Cross multiply
    183,809.60x = 275,714.40 × 153,742.40
  4. Step 4: Simplify right side
    183,809.60x = 42,388,993,570.56
  5. Step 5: Solve for x
    x = 42,388,993,570.56/183,809.60
  6. Step 6: Final answer
    x = 230,613.60

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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.