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Finding the Fourth Proportional to 132,419.51, 182,735.11 and 75,064.13

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Solution

The fourth proportional to 132,419.51, 182,735.11 and 75,064.13 is: 103,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,419.51 : 182,735.11 = 75,064.13 : x
  2. Step 2: Convert to fraction form
    132,419.51/182,735.11 = 75,064.13/x
  3. Step 3: Cross multiply
    132,419.51x = 182,735.11 × 75,064.13
  4. Step 4: Simplify right side
    132,419.51x = 13,716,852,697.10
  5. Step 5: Solve for x
    x = 13,716,852,697.10/132,419.51
  6. Step 6: Final answer
    x = 103,586.35

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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.