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Finding the Fourth Proportional to 162,160.71, 243,159.41 and 54,051.79

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Solution

The fourth proportional to 162,160.71, 243,159.41 and 54,051.79 is: 81,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,160.71 : 243,159.41 = 54,051.79 : x
  2. Step 2: Convert to fraction form
    162,160.71/243,159.41 = 54,051.79/x
  3. Step 3: Cross multiply
    162,160.71x = 243,159.41 × 54,051.79
  4. Step 4: Simplify right side
    162,160.71x = 13,143,201,365.84
  5. Step 5: Solve for x
    x = 13,143,201,365.84/162,160.71
  6. Step 6: Final answer
    x = 81,050.47

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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.