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Finding the Fourth Proportional to 82,934,063.20, 124,401,094.80 and 52,775,624.80

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Solution

The fourth proportional to 82,934,063.20, 124,401,094.80 and 52,775,624.80 is: 79,163,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,934,063.20 : 124,401,094.80 = 52,775,624.80 : x
  2. Step 2: Convert to fraction form
    82,934,063.20/124,401,094.80 = 52,775,624.80/x
  3. Step 3: Cross multiply
    82,934,063.20x = 124,401,094.80 × 52,775,624.80
  4. Step 4: Simplify right side
    82,934,063.20x = 6,565,345,503,874,031
  5. Step 5: Solve for x
    x = 6,565,345,503,874,031/82,934,063.20
  6. Step 6: Final answer
    x = 79,163,437.20

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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.