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Finding the Fourth Proportional to 181,955.10, 272,835.45 and 63,630.30

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Solution

The fourth proportional to 181,955.10, 272,835.45 and 63,630.30 is: 95,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,955.10 : 272,835.45 = 63,630.30 : x
  2. Step 2: Convert to fraction form
    181,955.10/272,835.45 = 63,630.30/x
  3. Step 3: Cross multiply
    181,955.10x = 272,835.45 × 63,630.30
  4. Step 4: Simplify right side
    181,955.10x = 17,360,601,534.14
  5. Step 5: Solve for x
    x = 17,360,601,534.14/181,955.10
  6. Step 6: Final answer
    x = 95,411.46

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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.