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Finding the Fourth Proportional to 111,834,596.40, 167,652,167.40 and 43,661,432.40

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Solution

The fourth proportional to 111,834,596.40, 167,652,167.40 and 43,661,432.40 is: 65,453,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,834,596.40 : 167,652,167.40 = 43,661,432.40 : x
  2. Step 2: Convert to fraction form
    111,834,596.40/167,652,167.40 = 43,661,432.40/x
  3. Step 3: Cross multiply
    111,834,596.40x = 167,652,167.40 × 43,661,432.40
  4. Step 4: Simplify right side
    111,834,596.40x = 7,319,933,773,648,584
  5. Step 5: Solve for x
    x = 7,319,933,773,648,584/111,834,596.40
  6. Step 6: Final answer
    x = 65,453,214.03

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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.