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Finding the Fourth Proportional to 165,528, 248,340.96 and 95,457.60

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Solution

The fourth proportional to 165,528, 248,340.96 and 95,457.60 is: 143,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,528 : 248,340.96 = 95,457.60 : x
  2. Step 2: Convert to fraction form
    165,528/248,340.96 = 95,457.60/x
  3. Step 3: Cross multiply
    165,528x = 248,340.96 × 95,457.60
  4. Step 4: Simplify right side
    165,528x = 23,706,032,023.30
  5. Step 5: Solve for x
    x = 23,706,032,023.30/165,528
  6. Step 6: Final answer
    x = 143,214.63

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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.