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Finding the Fourth Proportional to 132,888.63, 183,407.34 and 79,204.79

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Solution

The fourth proportional to 132,888.63, 183,407.34 and 79,204.79 is: 109,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,888.63 : 183,407.34 = 79,204.79 : x
  2. Step 2: Convert to fraction form
    132,888.63/183,407.34 = 79,204.79/x
  3. Step 3: Cross multiply
    132,888.63x = 183,407.34 × 79,204.79
  4. Step 4: Simplify right side
    132,888.63x = 14,526,738,932.12
  5. Step 5: Solve for x
    x = 14,526,738,932.12/132,888.63
  6. Step 6: Final answer
    x = 109,315.14

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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.