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Finding the Fourth Proportional to 223,556.50, 308,351.73 and 147,051.46

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Solution

The fourth proportional to 223,556.50, 308,351.73 and 147,051.46 is: 202,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,556.50 : 308,351.73 = 147,051.46 : x
  2. Step 2: Convert to fraction form
    223,556.50/308,351.73 = 147,051.46/x
  3. Step 3: Cross multiply
    223,556.50x = 308,351.73 × 147,051.46
  4. Step 4: Simplify right side
    223,556.50x = 45,343,572,090.03
  5. Step 5: Solve for x
    x = 45,343,572,090.03/223,556.50
  6. Step 6: Final answer
    x = 202,828.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.