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Finding the Fourth Proportional to 124,821,300.80, 186,866,997.60 and 88,989,492.80

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Solution

The fourth proportional to 124,821,300.80, 186,866,997.60 and 88,989,492.80 is: 133,224,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821,300.80 : 186,866,997.60 = 88,989,492.80 : x
  2. Step 2: Convert to fraction form
    124,821,300.80/186,866,997.60 = 88,989,492.80/x
  3. Step 3: Cross multiply
    124,821,300.80x = 186,866,997.60 × 88,989,492.80
  4. Step 4: Simplify right side
    124,821,300.80x = 16,629,199,337,482,816
  5. Step 5: Solve for x
    x = 16,629,199,337,482,816/124,821,300.80
  6. Step 6: Final answer
    x = 133,224,050.95

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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.