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Finding the Fourth Proportional to 121,244,133.90, 181,866,200.85 and 121,244,133.90

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Solution

The fourth proportional to 121,244,133.90, 181,866,200.85 and 121,244,133.90 is: 181,866,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,133.90 : 181,866,200.85 = 121,244,133.90 : x
  2. Step 2: Convert to fraction form
    121,244,133.90/181,866,200.85 = 121,244,133.90/x
  3. Step 3: Cross multiply
    121,244,133.90x = 181,866,200.85 × 121,244,133.90
  4. Step 4: Simplify right side
    121,244,133.90x = 22,050,210,007,741,696
  5. Step 5: Solve for x
    x = 22,050,210,007,741,696/121,244,133.90
  6. Step 6: Final answer
    x = 181,866,200.85

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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.