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Finding the Fourth Proportional to 223,697.59, 308,702.67 and 123,095.59

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Solution

The fourth proportional to 223,697.59, 308,702.67 and 123,095.59 is: 169,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,697.59 : 308,702.67 = 123,095.59 : x
  2. Step 2: Convert to fraction form
    223,697.59/308,702.67 = 123,095.59/x
  3. Step 3: Cross multiply
    223,697.59x = 308,702.67 × 123,095.59
  4. Step 4: Simplify right side
    223,697.59x = 37,999,937,298.23
  5. Step 5: Solve for x
    x = 37,999,937,298.23/223,697.59
  6. Step 6: Final answer
    x = 169,871.91

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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.