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Finding the Fourth Proportional to 146,798,948.80, 220,191,424.80 and 49,745,137.60

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Solution

The fourth proportional to 146,798,948.80, 220,191,424.80 and 49,745,137.60 is: 74,615,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,798,948.80 : 220,191,424.80 = 49,745,137.60 : x
  2. Step 2: Convert to fraction form
    146,798,948.80/220,191,424.80 = 49,745,137.60/x
  3. Step 3: Cross multiply
    146,798,948.80x = 220,191,424.80 × 49,745,137.60
  4. Step 4: Simplify right side
    146,798,948.80x = 10,953,452,725,016,054
  5. Step 5: Solve for x
    x = 10,953,452,725,016,054/146,798,948.80
  6. Step 6: Final answer
    x = 74,615,334.88

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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.