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Finding the Fourth Proportional to 111,511.65, 153,886.53 and 60,524.45

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Solution

The fourth proportional to 111,511.65, 153,886.53 and 60,524.45 is: 83,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,511.65 : 153,886.53 = 60,524.45 : x
  2. Step 2: Convert to fraction form
    111,511.65/153,886.53 = 60,524.45/x
  3. Step 3: Cross multiply
    111,511.65x = 153,886.53 × 60,524.45
  4. Step 4: Simplify right side
    111,511.65x = 9,313,896,821.23
  5. Step 5: Solve for x
    x = 9,313,896,821.23/111,511.65
  6. Step 6: Final answer
    x = 83,523.98

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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.