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Finding the Fourth Proportional to 262,742.48, 362,454.72 and 155,260.52

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Solution

The fourth proportional to 262,742.48, 362,454.72 and 155,260.52 is: 214,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,742.48 : 362,454.72 = 155,260.52 : x
  2. Step 2: Convert to fraction form
    262,742.48/362,454.72 = 155,260.52/x
  3. Step 3: Cross multiply
    262,742.48x = 362,454.72 × 155,260.52
  4. Step 4: Simplify right side
    262,742.48x = 56,274,908,303.65
  5. Step 5: Solve for x
    x = 56,274,908,303.65/262,742.48
  6. Step 6: Final answer
    x = 214,182.76

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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.