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Finding the Fourth Proportional to 55,344,968.80, 82,793,504.40 and 48,626,504.80

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Solution

The fourth proportional to 55,344,968.80, 82,793,504.40 and 48,626,504.80 is: 72,742,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,344,968.80 : 82,793,504.40 = 48,626,504.80 : x
  2. Step 2: Convert to fraction form
    55,344,968.80/82,793,504.40 = 48,626,504.80/x
  3. Step 3: Cross multiply
    55,344,968.80x = 82,793,504.40 × 48,626,504.80
  4. Step 4: Simplify right side
    55,344,968.80x = 4,025,958,739,115,421
  5. Step 5: Solve for x
    x = 4,025,958,739,115,421/55,344,968.80
  6. Step 6: Final answer
    x = 72,742,994.10

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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.