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Finding the Fourth Proportional to 64,307,801.60, 96,573,676.80 and 34,074,713.60

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Solution

The fourth proportional to 64,307,801.60, 96,573,676.80 and 34,074,713.60 is: 51,171,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,307,801.60 : 96,573,676.80 = 34,074,713.60 : x
  2. Step 2: Convert to fraction form
    64,307,801.60/96,573,676.80 = 34,074,713.60/x
  3. Step 3: Cross multiply
    64,307,801.60x = 96,573,676.80 × 34,074,713.60
  4. Step 4: Simplify right side
    64,307,801.60x = 3,290,720,378,258,964.50
  5. Step 5: Solve for x
    x = 3,290,720,378,258,964.50/64,307,801.60
  6. Step 6: Final answer
    x = 51,171,402.17

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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.