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Finding the Fourth Proportional to 162,486.63, 243,660.24 and 55,881.32

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Solution

The fourth proportional to 162,486.63, 243,660.24 and 55,881.32 is: 83,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,486.63 : 243,660.24 = 55,881.32 : x
  2. Step 2: Convert to fraction form
    162,486.63/243,660.24 = 55,881.32/x
  3. Step 3: Cross multiply
    162,486.63x = 243,660.24 × 55,881.32
  4. Step 4: Simplify right side
    162,486.63x = 13,616,054,624.42
  5. Step 5: Solve for x
    x = 13,616,054,624.42/162,486.63
  6. Step 6: Final answer
    x = 83,798.00

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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.