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Finding the Fourth Proportional to 341,957,763.60, 512,986,411.80 and 111,871,107.60

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Solution

The fourth proportional to 341,957,763.60, 512,986,411.80 and 111,871,107.60 is: 167,822,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,957,763.60 : 512,986,411.80 = 111,871,107.60 : x
  2. Step 2: Convert to fraction form
    341,957,763.60/512,986,411.80 = 111,871,107.60/x
  3. Step 3: Cross multiply
    341,957,763.60x = 512,986,411.80 × 111,871,107.60
  4. Step 4: Simplify right side
    341,957,763.60x = 57,388,358,071,815,704
  5. Step 5: Solve for x
    x = 57,388,358,071,815,704/341,957,763.60
  6. Step 6: Final answer
    x = 167,822,942.42

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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.