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Finding the Fourth Proportional to 132,872,602.60, 199,308,903.90 and 37,134,490.60

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Solution

The fourth proportional to 132,872,602.60, 199,308,903.90 and 37,134,490.60 is: 55,701,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872,602.60 : 199,308,903.90 = 37,134,490.60 : x
  2. Step 2: Convert to fraction form
    132,872,602.60/199,308,903.90 = 37,134,490.60/x
  3. Step 3: Cross multiply
    132,872,602.60x = 199,308,903.90 × 37,134,490.60
  4. Step 4: Simplify right side
    132,872,602.60x = 7,401,234,618,370,854
  5. Step 5: Solve for x
    x = 7,401,234,618,370,854/132,872,602.60
  6. Step 6: Final answer
    x = 55,701,735.90

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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.