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Finding the Fourth Proportional to 108,497.61, 162,927.45 and 73,186.47

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Solution

The fourth proportional to 108,497.61, 162,927.45 and 73,186.47 is: 109,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,497.61 : 162,927.45 = 73,186.47 : x
  2. Step 2: Convert to fraction form
    108,497.61/162,927.45 = 73,186.47/x
  3. Step 3: Cross multiply
    108,497.61x = 162,927.45 × 73,186.47
  4. Step 4: Simplify right side
    108,497.61x = 11,924,084,931.60
  5. Step 5: Solve for x
    x = 11,924,084,931.60/108,497.61
  6. Step 6: Final answer
    x = 109,901.82

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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.