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Finding the Fourth Proportional to 223,676.40, 308,671.02 and 133,030.35

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Solution

The fourth proportional to 223,676.40, 308,671.02 and 133,030.35 is: 183,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,676.40 : 308,671.02 = 133,030.35 : x
  2. Step 2: Convert to fraction form
    223,676.40/308,671.02 = 133,030.35/x
  3. Step 3: Cross multiply
    223,676.40x = 308,671.02 × 133,030.35
  4. Step 4: Simplify right side
    223,676.40x = 41,062,613,825.46
  5. Step 5: Solve for x
    x = 41,062,613,825.46/223,676.40
  6. Step 6: Final answer
    x = 183,580.45

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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.