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Finding the Fourth Proportional to 147,616,800.30, 221,425,200.45 and 147,616,800.30

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Solution

The fourth proportional to 147,616,800.30, 221,425,200.45 and 147,616,800.30 is: 221,425,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,616,800.30 : 221,425,200.45 = 147,616,800.30 : x
  2. Step 2: Convert to fraction form
    147,616,800.30/221,425,200.45 = 147,616,800.30/x
  3. Step 3: Cross multiply
    147,616,800.30x = 221,425,200.45 × 147,616,800.30
  4. Step 4: Simplify right side
    147,616,800.30x = 32,686,079,596,215,120
  5. Step 5: Solve for x
    x = 32,686,079,596,215,120/147,616,800.30
  6. Step 6: Final answer
    x = 221,425,200.45

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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.