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Finding the Fourth Proportional to 68,865,400.60, 103,298,100.90 and 60,551,301.40

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Solution

The fourth proportional to 68,865,400.60, 103,298,100.90 and 60,551,301.40 is: 90,826,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,865,400.60 : 103,298,100.90 = 60,551,301.40 : x
  2. Step 2: Convert to fraction form
    68,865,400.60/103,298,100.90 = 60,551,301.40/x
  3. Step 3: Cross multiply
    68,865,400.60x = 103,298,100.90 × 60,551,301.40
  4. Step 4: Simplify right side
    68,865,400.60x = 6,254,834,441,643,511
  5. Step 5: Solve for x
    x = 6,254,834,441,643,511/68,865,400.60
  6. Step 6: Final answer
    x = 90,826,952.10

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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.