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Finding the Fourth Proportional to 100,604,401.80, 150,906,602.70 and 61,862,352.90

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Solution

The fourth proportional to 100,604,401.80, 150,906,602.70 and 61,862,352.90 is: 92,793,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,604,401.80 : 150,906,602.70 = 61,862,352.90 : x
  2. Step 2: Convert to fraction form
    100,604,401.80/150,906,602.70 = 61,862,352.90/x
  3. Step 3: Cross multiply
    100,604,401.80x = 150,906,602.70 × 61,862,352.90
  4. Step 4: Simplify right side
    100,604,401.80x = 9,335,437,511,167,492
  5. Step 5: Solve for x
    x = 9,335,437,511,167,492/100,604,401.80
  6. Step 6: Final answer
    x = 92,793,529.35

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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.