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Finding the Fourth Proportional to 108,000.98, 149,044.94 and 58,945.28

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Solution

The fourth proportional to 108,000.98, 149,044.94 and 58,945.28 is: 81,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,000.98 : 149,044.94 = 58,945.28 : x
  2. Step 2: Convert to fraction form
    108,000.98/149,044.94 = 58,945.28/x
  3. Step 3: Cross multiply
    108,000.98x = 149,044.94 × 58,945.28
  4. Step 4: Simplify right side
    108,000.98x = 8,785,495,798.77
  5. Step 5: Solve for x
    x = 8,785,495,798.77/108,000.98
  6. Step 6: Final answer
    x = 81,346.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.