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Finding the Fourth Proportional to 223,549.11, 308,341.62 and 151,804.58

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Solution

The fourth proportional to 223,549.11, 308,341.62 and 151,804.58 is: 209,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,549.11 : 308,341.62 = 151,804.58 : x
  2. Step 2: Convert to fraction form
    223,549.11/308,341.62 = 151,804.58/x
  3. Step 3: Cross multiply
    223,549.11x = 308,341.62 × 151,804.58
  4. Step 4: Simplify right side
    223,549.11x = 46,807,668,578.91
  5. Step 5: Solve for x
    x = 46,807,668,578.91/223,549.11
  6. Step 6: Final answer
    x = 209,384.28

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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.