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Finding the Fourth Proportional to 133,779.33, 200,699.71 and 45,030.47

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Solution

The fourth proportional to 133,779.33, 200,699.71 and 45,030.47 is: 67,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,779.33 : 200,699.71 = 45,030.47 : x
  2. Step 2: Convert to fraction form
    133,779.33/200,699.71 = 45,030.47/x
  3. Step 3: Cross multiply
    133,779.33x = 200,699.71 × 45,030.47
  4. Step 4: Simplify right side
    133,779.33x = 9,037,601,154.09
  5. Step 5: Solve for x
    x = 9,037,601,154.09/133,779.33
  6. Step 6: Final answer
    x = 67,556.04

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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.