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Finding the Fourth Proportional to 223,597.98, 308,537.13 and 151,158.45

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Solution

The fourth proportional to 223,597.98, 308,537.13 and 151,158.45 is: 208,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,597.98 : 308,537.13 = 151,158.45 : x
  2. Step 2: Convert to fraction form
    223,597.98/308,537.13 = 151,158.45/x
  3. Step 3: Cross multiply
    223,597.98x = 308,537.13 × 151,158.45
  4. Step 4: Simplify right side
    223,597.98x = 46,637,996,062.11
  5. Step 5: Solve for x
    x = 46,637,996,062.11/223,597.98
  6. Step 6: Final answer
    x = 208,579.68

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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.