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Finding the Fourth Proportional to 223,507.83, 308,396.52 and 125,394.24

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Solution

The fourth proportional to 223,507.83, 308,396.52 and 125,394.24 is: 173,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,507.83 : 308,396.52 = 125,394.24 : x
  2. Step 2: Convert to fraction form
    223,507.83/308,396.52 = 125,394.24/x
  3. Step 3: Cross multiply
    223,507.83x = 308,396.52 × 125,394.24
  4. Step 4: Simplify right side
    223,507.83x = 38,671,147,244.04
  5. Step 5: Solve for x
    x = 38,671,147,244.04/223,507.83
  6. Step 6: Final answer
    x = 173,019.21

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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.