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Finding the Fourth Proportional to 218,554.16, 301,627.32 and 133,727.60

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Solution

The fourth proportional to 218,554.16, 301,627.32 and 133,727.60 is: 184,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,554.16 : 301,627.32 = 133,727.60 : x
  2. Step 2: Convert to fraction form
    218,554.16/301,627.32 = 133,727.60/x
  3. Step 3: Cross multiply
    218,554.16x = 301,627.32 × 133,727.60
  4. Step 4: Simplify right side
    218,554.16x = 40,335,897,598.03
  5. Step 5: Solve for x
    x = 40,335,897,598.03/218,554.16
  6. Step 6: Final answer
    x = 184,557.90

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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.