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Finding the Fourth Proportional to 223,898.51, 308,653.54 and 170,090.11

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Solution

The fourth proportional to 223,898.51, 308,653.54 and 170,090.11 is: 234,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,898.51 : 308,653.54 = 170,090.11 : x
  2. Step 2: Convert to fraction form
    223,898.51/308,653.54 = 170,090.11/x
  3. Step 3: Cross multiply
    223,898.51x = 308,653.54 × 170,090.11
  4. Step 4: Simplify right side
    223,898.51x = 52,498,914,570.49
  5. Step 5: Solve for x
    x = 52,498,914,570.49/223,898.51
  6. Step 6: Final answer
    x = 234,476.39

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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.