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Finding the Fourth Proportional to 133,988.94, 184,905.23 and 73,565.77

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Solution

The fourth proportional to 133,988.94, 184,905.23 and 73,565.77 is: 101,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,988.94 : 184,905.23 = 73,565.77 : x
  2. Step 2: Convert to fraction form
    133,988.94/184,905.23 = 73,565.77/x
  3. Step 3: Cross multiply
    133,988.94x = 184,905.23 × 73,565.77
  4. Step 4: Simplify right side
    133,988.94x = 13,602,695,621.98
  5. Step 5: Solve for x
    x = 13,602,695,621.98/133,988.94
  6. Step 6: Final answer
    x = 101,521.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.