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Finding the Fourth Proportional to 54,971,999.60, 82,457,999.40 and 52,452,575.60

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Solution

The fourth proportional to 54,971,999.60, 82,457,999.40 and 52,452,575.60 is: 78,678,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971,999.60 : 82,457,999.40 = 52,452,575.60 : x
  2. Step 2: Convert to fraction form
    54,971,999.60/82,457,999.40 = 52,452,575.60/x
  3. Step 3: Cross multiply
    54,971,999.60x = 82,457,999.40 × 52,452,575.60
  4. Step 4: Simplify right side
    54,971,999.60x = 4,325,134,447,353,255
  5. Step 5: Solve for x
    x = 4,325,134,447,353,255/54,971,999.60
  6. Step 6: Final answer
    x = 78,678,863.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.