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Finding the Fourth Proportional to 142,973.04, 214,461.11 and 43,134.11

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Solution

The fourth proportional to 142,973.04, 214,461.11 and 43,134.11 is: 64,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,973.04 : 214,461.11 = 43,134.11 : x
  2. Step 2: Convert to fraction form
    142,973.04/214,461.11 = 43,134.11/x
  3. Step 3: Cross multiply
    142,973.04x = 214,461.11 × 43,134.11
  4. Step 4: Simplify right side
    142,973.04x = 9,250,589,109.46
  5. Step 5: Solve for x
    x = 9,250,589,109.46/142,973.04
  6. Step 6: Final answer
    x = 64,701.63

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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.