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Finding the Fourth Proportional to 245,966.64, 368,955.72 and 88,191.60

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Solution

The fourth proportional to 245,966.64, 368,955.72 and 88,191.60 is: 132,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,966.64 : 368,955.72 = 88,191.60 : x
  2. Step 2: Convert to fraction form
    245,966.64/368,955.72 = 88,191.60/x
  3. Step 3: Cross multiply
    245,966.64x = 368,955.72 × 88,191.60
  4. Step 4: Simplify right side
    245,966.64x = 32,538,795,275.95
  5. Step 5: Solve for x
    x = 32,538,795,275.95/245,966.64
  6. Step 6: Final answer
    x = 132,289.47

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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.