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Finding the Fourth Proportional to 132,779.88, 183,233.88 and 72,350.94

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Solution

The fourth proportional to 132,779.88, 183,233.88 and 72,350.94 is: 99,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.88 : 183,233.88 = 72,350.94 : x
  2. Step 2: Convert to fraction form
    132,779.88/183,233.88 = 72,350.94/x
  3. Step 3: Cross multiply
    132,779.88x = 183,233.88 × 72,350.94
  4. Step 4: Simplify right side
    132,779.88x = 13,257,143,457.85
  5. Step 5: Solve for x
    x = 13,257,143,457.85/132,779.88
  6. Step 6: Final answer
    x = 99,843.01

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1.5x scale

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.