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Finding the Fourth Proportional to 52,497,751.20, 78,746,626.80 and 41,538,256.80

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Solution

The fourth proportional to 52,497,751.20, 78,746,626.80 and 41,538,256.80 is: 62,307,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497,751.20 : 78,746,626.80 = 41,538,256.80 : x
  2. Step 2: Convert to fraction form
    52,497,751.20/78,746,626.80 = 41,538,256.80/x
  3. Step 3: Cross multiply
    52,497,751.20x = 78,746,626.80 × 41,538,256.80
  4. Step 4: Simplify right side
    52,497,751.20x = 3,270,997,606,152,162
  5. Step 5: Solve for x
    x = 3,270,997,606,152,162/52,497,751.20
  6. Step 6: Final answer
    x = 62,307,385.20

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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.