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Finding the Fourth Proportional to 64,429,772.80, 96,579,340.80 and 32,031,846.40

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Solution

The fourth proportional to 64,429,772.80, 96,579,340.80 and 32,031,846.40 is: 48,015,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,429,772.80 : 96,579,340.80 = 32,031,846.40 : x
  2. Step 2: Convert to fraction form
    64,429,772.80/96,579,340.80 = 32,031,846.40/x
  3. Step 3: Cross multiply
    64,429,772.80x = 96,579,340.80 × 32,031,846.40
  4. Step 4: Simplify right side
    64,429,772.80x = 3,093,614,609,918,853
  5. Step 5: Solve for x
    x = 3,093,614,609,918,853/64,429,772.80
  6. Step 6: Final answer
    x = 48,015,295.96

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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.