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Finding the Fourth Proportional to 111,263.44, 153,492.08 and 98,529.60

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Solution

The fourth proportional to 111,263.44, 153,492.08 and 98,529.60 is: 135,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,263.44 : 153,492.08 = 98,529.60 : x
  2. Step 2: Convert to fraction form
    111,263.44/153,492.08 = 98,529.60/x
  3. Step 3: Cross multiply
    111,263.44x = 153,492.08 × 98,529.60
  4. Step 4: Simplify right side
    111,263.44x = 15,123,513,245.57
  5. Step 5: Solve for x
    x = 15,123,513,245.57/111,263.44
  6. Step 6: Final answer
    x = 135,925.27

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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.