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Finding the Fourth Proportional to 133,368.49, 184,041.72 and 72,927.41

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Solution

The fourth proportional to 133,368.49, 184,041.72 and 72,927.41 is: 100,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,368.49 : 184,041.72 = 72,927.41 : x
  2. Step 2: Convert to fraction form
    133,368.49/184,041.72 = 72,927.41/x
  3. Step 3: Cross multiply
    133,368.49x = 184,041.72 × 72,927.41
  4. Step 4: Simplify right side
    133,368.49x = 13,421,685,051.34
  5. Step 5: Solve for x
    x = 13,421,685,051.34/133,368.49
  6. Step 6: Final answer
    x = 100,636.10

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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.