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Finding the Fourth Proportional to 236,029.01, 325,715.90 and 128,599.81

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Solution

The fourth proportional to 236,029.01, 325,715.90 and 128,599.81 is: 177,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,029.01 : 325,715.90 = 128,599.81 : x
  2. Step 2: Convert to fraction form
    236,029.01/325,715.90 = 128,599.81/x
  3. Step 3: Cross multiply
    236,029.01x = 325,715.90 × 128,599.81
  4. Step 4: Simplify right side
    236,029.01x = 41,887,001,396.69
  5. Step 5: Solve for x
    x = 41,887,001,396.69/236,029.01
  6. Step 6: Final answer
    x = 177,465.48

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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.