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Finding the Fourth Proportional to 52,994,492.40, 79,491,738.60 and 49,168,117.20

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Solution

The fourth proportional to 52,994,492.40, 79,491,738.60 and 49,168,117.20 is: 73,752,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,994,492.40 : 79,491,738.60 = 49,168,117.20 : x
  2. Step 2: Convert to fraction form
    52,994,492.40/79,491,738.60 = 49,168,117.20/x
  3. Step 3: Cross multiply
    52,994,492.40x = 79,491,738.60 × 49,168,117.20
  4. Step 4: Simplify right side
    52,994,492.40x = 3,908,459,119,916,564
  5. Step 5: Solve for x
    x = 3,908,459,119,916,564/52,994,492.40
  6. Step 6: Final answer
    x = 73,752,175.80

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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.