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Finding the Fourth Proportional to 262,038.63, 392,695.73 and 119,536.45

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Solution

The fourth proportional to 262,038.63, 392,695.73 and 119,536.45 is: 179,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,038.63 : 392,695.73 = 119,536.45 : x
  2. Step 2: Convert to fraction form
    262,038.63/392,695.73 = 119,536.45/x
  3. Step 3: Cross multiply
    262,038.63x = 392,695.73 × 119,536.45
  4. Step 4: Simplify right side
    262,038.63x = 46,941,453,494.36
  5. Step 5: Solve for x
    x = 46,941,453,494.36/262,038.63
  6. Step 6: Final answer
    x = 179,139.44

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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.