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Finding the Fourth Proportional to 223,336, 308,203.84 and 122,734.72

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Solution

The fourth proportional to 223,336, 308,203.84 and 122,734.72 is: 169,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,336 : 308,203.84 = 122,734.72 : x
  2. Step 2: Convert to fraction form
    223,336/308,203.84 = 122,734.72/x
  3. Step 3: Cross multiply
    223,336x = 308,203.84 × 122,734.72
  4. Step 4: Simplify right side
    223,336x = 37,827,312,005.32
  5. Step 5: Solve for x
    x = 37,827,312,005.32/223,336
  6. Step 6: Final answer
    x = 169,374.00

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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.