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Finding the Fourth Proportional to 174,714.30, 240,815.35 and 123,661.52

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Solution

The fourth proportional to 174,714.30, 240,815.35 and 123,661.52 is: 170,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,714.30 : 240,815.35 = 123,661.52 : x
  2. Step 2: Convert to fraction form
    174,714.30/240,815.35 = 123,661.52/x
  3. Step 3: Cross multiply
    174,714.30x = 240,815.35 × 123,661.52
  4. Step 4: Simplify right side
    174,714.30x = 29,779,593,437.63
  5. Step 5: Solve for x
    x = 29,779,593,437.63/174,714.30
  6. Step 6: Final answer
    x = 170,447.37

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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.