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Finding the Fourth Proportional to 161,308.84, 241,963.64 and 48,989.92

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Solution

The fourth proportional to 161,308.84, 241,963.64 and 48,989.92 is: 73,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,308.84 : 241,963.64 = 48,989.92 : x
  2. Step 2: Convert to fraction form
    161,308.84/241,963.64 = 48,989.92/x
  3. Step 3: Cross multiply
    161,308.84x = 241,963.64 × 48,989.92
  4. Step 4: Simplify right side
    161,308.84x = 11,853,779,366.51
  5. Step 5: Solve for x
    x = 11,853,779,366.51/161,308.84
  6. Step 6: Final answer
    x = 73,485.00

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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.