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Finding the Fourth Proportional to 43,318,925.40, 64,883,909.70 and 43,318,925.40

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Solution

The fourth proportional to 43,318,925.40, 64,883,909.70 and 43,318,925.40 is: 64,883,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318,925.40 : 64,883,909.70 = 43,318,925.40 : x
  2. Step 2: Convert to fraction form
    43,318,925.40/64,883,909.70 = 43,318,925.40/x
  3. Step 3: Cross multiply
    43,318,925.40x = 64,883,909.70 × 43,318,925.40
  4. Step 4: Simplify right side
    43,318,925.40x = 2,810,701,243,954,636.50
  5. Step 5: Solve for x
    x = 2,810,701,243,954,636.50/43,318,925.40
  6. Step 6: Final answer
    x = 64,883,909.70

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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.