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Finding the Fourth Proportional to 108,602.43, 162,681.93 and 55,901.22

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Solution

The fourth proportional to 108,602.43, 162,681.93 and 55,901.22 is: 83,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,602.43 : 162,681.93 = 55,901.22 : x
  2. Step 2: Convert to fraction form
    108,602.43/162,681.93 = 55,901.22/x
  3. Step 3: Cross multiply
    108,602.43x = 162,681.93 × 55,901.22
  4. Step 4: Simplify right side
    108,602.43x = 9,094,118,358.95
  5. Step 5: Solve for x
    x = 9,094,118,358.95/108,602.43
  6. Step 6: Final answer
    x = 83,737.71

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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.