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Finding the Fourth Proportional to 108,032.20, 162,048.30 and 37,918.60

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Solution

The fourth proportional to 108,032.20, 162,048.30 and 37,918.60 is: 56,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,032.20 : 162,048.30 = 37,918.60 : x
  2. Step 2: Convert to fraction form
    108,032.20/162,048.30 = 37,918.60/x
  3. Step 3: Cross multiply
    108,032.20x = 162,048.30 × 37,918.60
  4. Step 4: Simplify right side
    108,032.20x = 6,144,644,668.38
  5. Step 5: Solve for x
    x = 6,144,644,668.38/108,032.20
  6. Step 6: Final answer
    x = 56,877.90

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1.5x scale

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.