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Finding the Fourth Proportional to 223,599.48, 308,539.20 and 151,159.95

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Solution

The fourth proportional to 223,599.48, 308,539.20 and 151,159.95 is: 208,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,599.48 : 308,539.20 = 151,159.95 : x
  2. Step 2: Convert to fraction form
    223,599.48/308,539.20 = 151,159.95/x
  3. Step 3: Cross multiply
    223,599.48x = 308,539.20 × 151,159.95
  4. Step 4: Simplify right side
    223,599.48x = 46,638,770,045.04
  5. Step 5: Solve for x
    x = 46,638,770,045.04/223,599.48
  6. Step 6: Final answer
    x = 208,581.75

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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.