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Finding the Fourth Proportional to 108,528.80, 152,044 and 108,528.80

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Solution

The fourth proportional to 108,528.80, 152,044 and 108,528.80 is: 152,044

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,528.80 : 152,044 = 108,528.80 : x
  2. Step 2: Convert to fraction form
    108,528.80/152,044 = 108,528.80/x
  3. Step 3: Cross multiply
    108,528.80x = 152,044 × 108,528.80
  4. Step 4: Simplify right side
    108,528.80x = 16,501,152,867.20
  5. Step 5: Solve for x
    x = 16,501,152,867.20/108,528.80
  6. Step 6: Final answer
    x = 152,044

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.