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Finding the Fourth Proportional to 71,856,095.60, 107,851,794.60 and 37,801,881.20

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Solution

The fourth proportional to 71,856,095.60, 107,851,794.60 and 37,801,881.20 is: 56,738,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,856,095.60 : 107,851,794.60 = 37,801,881.20 : x
  2. Step 2: Convert to fraction form
    71,856,095.60/107,851,794.60 = 37,801,881.20/x
  3. Step 3: Cross multiply
    71,856,095.60x = 107,851,794.60 × 37,801,881.20
  4. Step 4: Simplify right side
    71,856,095.60x = 4,077,000,726,676,001.50
  5. Step 5: Solve for x
    x = 4,077,000,726,676,001.50/71,856,095.60
  6. Step 6: Final answer
    x = 56,738,411.58

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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.