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Finding the Fourth Proportional to 223,681.05, 308,579.46 and 151,060.35

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Solution

The fourth proportional to 223,681.05, 308,579.46 and 151,060.35 is: 208,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,681.05 : 308,579.46 = 151,060.35 : x
  2. Step 2: Convert to fraction form
    223,681.05/308,579.46 = 151,060.35/x
  3. Step 3: Cross multiply
    223,681.05x = 308,579.46 × 151,060.35
  4. Step 4: Simplify right side
    223,681.05x = 46,614,121,230.41
  5. Step 5: Solve for x
    x = 46,614,121,230.41/223,681.05
  6. Step 6: Final answer
    x = 208,395.49

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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.