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Finding the Fourth Proportional to 108,029.40, 162,044.10 and 94,907.40

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Solution

The fourth proportional to 108,029.40, 162,044.10 and 94,907.40 is: 142,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,029.40 : 162,044.10 = 94,907.40 : x
  2. Step 2: Convert to fraction form
    108,029.40/162,044.10 = 94,907.40/x
  3. Step 3: Cross multiply
    108,029.40x = 162,044.10 × 94,907.40
  4. Step 4: Simplify right side
    108,029.40x = 15,379,184,216.34
  5. Step 5: Solve for x
    x = 15,379,184,216.34/108,029.40
  6. Step 6: Final answer
    x = 142,361.10

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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.