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Finding the Fourth Proportional to 29,353,978.10, 44,030,967.15 and 28,178,246.90

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Solution

The fourth proportional to 29,353,978.10, 44,030,967.15 and 28,178,246.90 is: 42,267,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,353,978.10 : 44,030,967.15 = 28,178,246.90 : x
  2. Step 2: Convert to fraction form
    29,353,978.10/44,030,967.15 = 28,178,246.90/x
  3. Step 3: Cross multiply
    29,353,978.10x = 44,030,967.15 × 28,178,246.90
  4. Step 4: Simplify right side
    29,353,978.10x = 1,240,715,463,598,489.25
  5. Step 5: Solve for x
    x = 1,240,715,463,598,489.25/29,353,978.10
  6. Step 6: Final answer
    x = 42,267,370.35

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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.