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Finding the Fourth Proportional to 111,482.05, 153,835.05 and 66,152.22

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Solution

The fourth proportional to 111,482.05, 153,835.05 and 66,152.22 is: 91,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,482.05 : 153,835.05 = 66,152.22 : x
  2. Step 2: Convert to fraction form
    111,482.05/153,835.05 = 66,152.22/x
  3. Step 3: Cross multiply
    111,482.05x = 153,835.05 × 66,152.22
  4. Step 4: Simplify right side
    111,482.05x = 10,176,530,071.31
  5. Step 5: Solve for x
    x = 10,176,530,071.31/111,482.05
  6. Step 6: Final answer
    x = 91,284.02

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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.