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Finding the Fourth Proportional to 235,950.24, 325,616.31 and 128,520.01

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Solution

The fourth proportional to 235,950.24, 325,616.31 and 128,520.01 is: 177,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,950.24 : 325,616.31 = 128,520.01 : x
  2. Step 2: Convert to fraction form
    235,950.24/325,616.31 = 128,520.01/x
  3. Step 3: Cross multiply
    235,950.24x = 325,616.31 × 128,520.01
  4. Step 4: Simplify right side
    235,950.24x = 41,848,210,603.32
  5. Step 5: Solve for x
    x = 41,848,210,603.32/235,950.24
  6. Step 6: Final answer
    x = 177,360.32

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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.