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Finding the Fourth Proportional to 111,230.10, 153,482.76 and 63,480.60

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Solution

The fourth proportional to 111,230.10, 153,482.76 and 63,480.60 is: 87,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,230.10 : 153,482.76 = 63,480.60 : x
  2. Step 2: Convert to fraction form
    111,230.10/153,482.76 = 63,480.60/x
  3. Step 3: Cross multiply
    111,230.10x = 153,482.76 × 63,480.60
  4. Step 4: Simplify right side
    111,230.10x = 9,743,177,694.46
  5. Step 5: Solve for x
    x = 9,743,177,694.46/111,230.10
  6. Step 6: Final answer
    x = 87,594.79

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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.