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Finding the Fourth Proportional to 235,895.68, 352,130.51 and 218,332.25

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Solution

The fourth proportional to 235,895.68, 352,130.51 and 218,332.25 is: 325,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,895.68 : 352,130.51 = 218,332.25 : x
  2. Step 2: Convert to fraction form
    235,895.68/352,130.51 = 218,332.25/x
  3. Step 3: Cross multiply
    235,895.68x = 352,130.51 × 218,332.25
  4. Step 4: Simplify right side
    235,895.68x = 76,881,446,541.95
  5. Step 5: Solve for x
    x = 76,881,446,541.95/235,895.68
  6. Step 6: Final answer
    x = 325,912.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.