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Finding the Fourth Proportional to 108,014.70, 161,973.45 and 41,432.70

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Solution

The fourth proportional to 108,014.70, 161,973.45 and 41,432.70 is: 62,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,014.70 : 161,973.45 = 41,432.70 : x
  2. Step 2: Convert to fraction form
    108,014.70/161,973.45 = 41,432.70/x
  3. Step 3: Cross multiply
    108,014.70x = 161,973.45 × 41,432.70
  4. Step 4: Simplify right side
    108,014.70x = 6,710,997,361.82
  5. Step 5: Solve for x
    x = 6,710,997,361.82/108,014.70
  6. Step 6: Final answer
    x = 62,130.41

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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.