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Finding the Fourth Proportional to 291,055.75, 436,656.27 and 101,518.83

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Solution

The fourth proportional to 291,055.75, 436,656.27 and 101,518.83 is: 152,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,055.75 : 436,656.27 = 101,518.83 : x
  2. Step 2: Convert to fraction form
    291,055.75/436,656.27 = 101,518.83/x
  3. Step 3: Cross multiply
    291,055.75x = 436,656.27 × 101,518.83
  4. Step 4: Simplify right side
    291,055.75x = 44,328,834,023.26
  5. Step 5: Solve for x
    x = 44,328,834,023.26/291,055.75
  6. Step 6: Final answer
    x = 152,303.59

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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.