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Finding the Fourth Proportional to 64,273,688.07, 88,724,833.64 and 43,394,006.63

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Solution

The fourth proportional to 64,273,688.07, 88,724,833.64 and 43,394,006.63 is: 59,902,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,273,688.07 : 88,724,833.64 = 43,394,006.63 : x
  2. Step 2: Convert to fraction form
    64,273,688.07/88,724,833.64 = 43,394,006.63/x
  3. Step 3: Cross multiply
    64,273,688.07x = 88,724,833.64 × 43,394,006.63
  4. Step 4: Simplify right side
    64,273,688.07x = 3,850,126,018,559,213
  5. Step 5: Solve for x
    x = 3,850,126,018,559,213/64,273,688.07
  6. Step 6: Final answer
    x = 59,902,055.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.