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Finding the Fourth Proportional to 58,762,652.40, 88,143,978.60 and 52,380,111.60

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Solution

The fourth proportional to 58,762,652.40, 88,143,978.60 and 52,380,111.60 is: 78,570,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,762,652.40 : 88,143,978.60 = 52,380,111.60 : x
  2. Step 2: Convert to fraction form
    58,762,652.40/88,143,978.60 = 52,380,111.60/x
  3. Step 3: Cross multiply
    58,762,652.40x = 88,143,978.60 × 52,380,111.60
  4. Step 4: Simplify right side
    58,762,652.40x = 4,616,991,435,936,012
  5. Step 5: Solve for x
    x = 4,616,991,435,936,012/58,762,652.40
  6. Step 6: Final answer
    x = 78,570,167.40

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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.