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Finding the Fourth Proportional to 98,393,476.80, 147,653,200.80 and 57,452,836.80

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Solution

The fourth proportional to 98,393,476.80, 147,653,200.80 and 57,452,836.80 is: 86,216,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,393,476.80 : 147,653,200.80 = 57,452,836.80 : x
  2. Step 2: Convert to fraction form
    98,393,476.80/147,653,200.80 = 57,452,836.80/x
  3. Step 3: Cross multiply
    98,393,476.80x = 147,653,200.80 × 57,452,836.80
  4. Step 4: Simplify right side
    98,393,476.80x = 8,483,095,248,560,030
  5. Step 5: Solve for x
    x = 8,483,095,248,560,030/98,393,476.80
  6. Step 6: Final answer
    x = 86,216,033.06

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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.