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Finding the Fourth Proportional to 116,376.63, 160,599.86 and 66,075.63

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Solution

The fourth proportional to 116,376.63, 160,599.86 and 66,075.63 is: 91,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,376.63 : 160,599.86 = 66,075.63 : x
  2. Step 2: Convert to fraction form
    116,376.63/160,599.86 = 66,075.63/x
  3. Step 3: Cross multiply
    116,376.63x = 160,599.86 × 66,075.63
  4. Step 4: Simplify right side
    116,376.63x = 10,611,736,927.41
  5. Step 5: Solve for x
    x = 10,611,736,927.41/116,376.63
  6. Step 6: Final answer
    x = 91,184.43

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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.