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Finding the Fourth Proportional to 235,228.16, 324,616.40 and 127,798.16

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Solution

The fourth proportional to 235,228.16, 324,616.40 and 127,798.16 is: 176,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,228.16 : 324,616.40 = 127,798.16 : x
  2. Step 2: Convert to fraction form
    235,228.16/324,616.40 = 127,798.16/x
  3. Step 3: Cross multiply
    235,228.16x = 324,616.40 × 127,798.16
  4. Step 4: Simplify right side
    235,228.16x = 41,485,378,625.82
  5. Step 5: Solve for x
    x = 41,485,378,625.82/235,228.16
  6. Step 6: Final answer
    x = 176,362.30

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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.