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Finding the Fourth Proportional to 125,738,324.76, 188,607,530.76 and 56,570,347.92

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Solution

The fourth proportional to 125,738,324.76, 188,607,530.76 and 56,570,347.92 is: 84,855,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,738,324.76 : 188,607,530.76 = 56,570,347.92 : x
  2. Step 2: Convert to fraction form
    125,738,324.76/188,607,530.76 = 56,570,347.92/x
  3. Step 3: Cross multiply
    125,738,324.76x = 188,607,530.76 × 56,570,347.92
  4. Step 4: Simplify right side
    125,738,324.76x = 10,669,593,635,425,302
  5. Step 5: Solve for x
    x = 10,669,593,635,425,302/125,738,324.76
  6. Step 6: Final answer
    x = 84,855,541.50

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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.