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Finding the Fourth Proportional to 67,888,605.54, 101,898,674.16 and 64,201,733.61

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Solution

The fourth proportional to 67,888,605.54, 101,898,674.16 and 64,201,733.61 is: 96,364,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,888,605.54 : 101,898,674.16 = 64,201,733.61 : x
  2. Step 2: Convert to fraction form
    67,888,605.54/101,898,674.16 = 64,201,733.61/x
  3. Step 3: Cross multiply
    67,888,605.54x = 101,898,674.16 × 64,201,733.61
  4. Step 4: Simplify right side
    67,888,605.54x = 6,542,071,533,632,510
  5. Step 5: Solve for x
    x = 6,542,071,533,632,510/67,888,605.54
  6. Step 6: Final answer
    x = 96,364,794.67

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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.