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Finding the Fourth Proportional to 78,889,632.04, 108,865,603.65 and 44,082,608.50

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Solution

The fourth proportional to 78,889,632.04, 108,865,603.65 and 44,082,608.50 is: 60,832,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,889,632.04 : 108,865,603.65 = 44,082,608.50 : x
  2. Step 2: Convert to fraction form
    78,889,632.04/108,865,603.65 = 44,082,608.50/x
  3. Step 3: Cross multiply
    78,889,632.04x = 108,865,603.65 × 44,082,608.50
  4. Step 4: Simplify right side
    78,889,632.04x = 4,799,079,784,819,121
  5. Step 5: Solve for x
    x = 4,799,079,784,819,121/78,889,632.04
  6. Step 6: Final answer
    x = 60,832,832.66

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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.