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Finding the Fourth Proportional to 67,774,427.20, 101,661,640.80 and 63,097,746.40

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Solution

The fourth proportional to 67,774,427.20, 101,661,640.80 and 63,097,746.40 is: 94,646,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,774,427.20 : 101,661,640.80 = 63,097,746.40 : x
  2. Step 2: Convert to fraction form
    67,774,427.20/101,661,640.80 = 63,097,746.40/x
  3. Step 3: Cross multiply
    67,774,427.20x = 101,661,640.80 × 63,097,746.40
  4. Step 4: Simplify right side
    67,774,427.20x = 6,414,620,429,806,293
  5. Step 5: Solve for x
    x = 6,414,620,429,806,293/67,774,427.20
  6. Step 6: Final answer
    x = 94,646,619.60

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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.