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Finding the Fourth Proportional to 235,679.58, 352,824.72 and 155,569.74

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Solution

The fourth proportional to 235,679.58, 352,824.72 and 155,569.74 is: 232,896.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,679.58 : 352,824.72 = 155,569.74 : x
  2. Step 2: Convert to fraction form
    235,679.58/352,824.72 = 155,569.74/x
  3. Step 3: Cross multiply
    235,679.58x = 352,824.72 × 155,569.74
  4. Step 4: Simplify right side
    235,679.58x = 54,888,849,955.97
  5. Step 5: Solve for x
    x = 54,888,849,955.97/235,679.58
  6. Step 6: Final answer
    x = 232,896.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.