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Finding the Fourth Proportional to 185,969.76, 256,636.80 and 101,084.64

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Solution

The fourth proportional to 185,969.76, 256,636.80 and 101,084.64 is: 139,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,969.76 : 256,636.80 = 101,084.64 : x
  2. Step 2: Convert to fraction form
    185,969.76/256,636.80 = 101,084.64/x
  3. Step 3: Cross multiply
    185,969.76x = 256,636.80 × 101,084.64
  4. Step 4: Simplify right side
    185,969.76x = 25,942,038,538.75
  5. Step 5: Solve for x
    x = 25,942,038,538.75/185,969.76
  6. Step 6: Final answer
    x = 139,496.00

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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.