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Finding the Fourth Proportional to 111,497.68, 153,866.89 and 60,510.41

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Solution

The fourth proportional to 111,497.68, 153,866.89 and 60,510.41 is: 83,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,497.68 : 153,866.89 = 60,510.41 : x
  2. Step 2: Convert to fraction form
    111,497.68/153,866.89 = 60,510.41/x
  3. Step 3: Cross multiply
    111,497.68x = 153,866.89 × 60,510.41
  4. Step 4: Simplify right side
    111,497.68x = 9,310,548,599.32
  5. Step 5: Solve for x
    x = 9,310,548,599.32/111,497.68
  6. Step 6: Final answer
    x = 83,504.42

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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.