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Finding the Fourth Proportional to 133,007.83, 183,554.84 and 75,655.40

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Solution

The fourth proportional to 133,007.83, 183,554.84 and 75,655.40 is: 104,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,007.83 : 183,554.84 = 75,655.40 : x
  2. Step 2: Convert to fraction form
    133,007.83/183,554.84 = 75,655.40/x
  3. Step 3: Cross multiply
    133,007.83x = 183,554.84 × 75,655.40
  4. Step 4: Simplify right side
    133,007.83x = 13,886,913,546.08
  5. Step 5: Solve for x
    x = 13,886,913,546.08/133,007.83
  6. Step 6: Final answer
    x = 104,406.74

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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.