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Finding the Fourth Proportional to 98,156,852.80, 147,233,896.80 and 44,304,078.40

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Solution

The fourth proportional to 98,156,852.80, 147,233,896.80 and 44,304,078.40 is: 66,455,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,156,852.80 : 147,233,896.80 = 44,304,078.40 : x
  2. Step 2: Convert to fraction form
    98,156,852.80/147,233,896.80 = 44,304,078.40/x
  3. Step 3: Cross multiply
    98,156,852.80x = 147,233,896.80 × 44,304,078.40
  4. Step 4: Simplify right side
    98,156,852.80x = 6,523,062,106,964,709
  5. Step 5: Solve for x
    x = 6,523,062,106,964,709/98,156,852.80
  6. Step 6: Final answer
    x = 66,455,493.64

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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.