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Finding the Fourth Proportional to 111,549.95, 153,939.13 and 60,562.75

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Solution

The fourth proportional to 111,549.95, 153,939.13 and 60,562.75 is: 83,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,549.95 : 153,939.13 = 60,562.75 : x
  2. Step 2: Convert to fraction form
    111,549.95/153,939.13 = 60,562.75/x
  3. Step 3: Cross multiply
    111,549.95x = 153,939.13 × 60,562.75
  4. Step 4: Simplify right side
    111,549.95x = 9,322,977,045.41
  5. Step 5: Solve for x
    x = 9,322,977,045.41/111,549.95
  6. Step 6: Final answer
    x = 83,576.70

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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.