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Finding the Fourth Proportional to 240,675.36, 361,070.64 and 74,463.36

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Solution

The fourth proportional to 240,675.36, 361,070.64 and 74,463.36 is: 111,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,675.36 : 361,070.64 = 74,463.36 : x
  2. Step 2: Convert to fraction form
    240,675.36/361,070.64 = 74,463.36/x
  3. Step 3: Cross multiply
    240,675.36x = 361,070.64 × 74,463.36
  4. Step 4: Simplify right side
    240,675.36x = 26,886,533,051.75
  5. Step 5: Solve for x
    x = 26,886,533,051.75/240,675.36
  6. Step 6: Final answer
    x = 111,712.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.