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Finding the Fourth Proportional to 67,774,493.20, 101,661,739.80 and 63,097,812.40

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Solution

The fourth proportional to 67,774,493.20, 101,661,739.80 and 63,097,812.40 is: 94,646,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,774,493.20 : 101,661,739.80 = 63,097,812.40 : x
  2. Step 2: Convert to fraction form
    67,774,493.20/101,661,739.80 = 63,097,812.40/x
  3. Step 3: Cross multiply
    67,774,493.20x = 101,661,739.80 × 63,097,812.40
  4. Step 4: Simplify right side
    67,774,493.20x = 6,414,633,386,158,013
  5. Step 5: Solve for x
    x = 6,414,633,386,158,013/67,774,493.20
  6. Step 6: Final answer
    x = 94,646,718.60

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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.