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Finding the Fourth Proportional to 111,533.70, 153,917.64 and 60,546.84

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Solution

The fourth proportional to 111,533.70, 153,917.64 and 60,546.84 is: 83,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,533.70 : 153,917.64 = 60,546.84 : x
  2. Step 2: Convert to fraction form
    111,533.70/153,917.64 = 60,546.84/x
  3. Step 3: Cross multiply
    111,533.70x = 153,917.64 × 60,546.84
  4. Step 4: Simplify right side
    111,533.70x = 9,319,226,722.26
  5. Step 5: Solve for x
    x = 9,319,226,722.26/111,533.70
  6. Step 6: Final answer
    x = 83,555.25

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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.