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Finding the Fourth Proportional to 52,488,102.05, 78,732,153.08 and 52,488,102.05

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Solution

The fourth proportional to 52,488,102.05, 78,732,153.08 and 52,488,102.05 is: 78,732,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,102.05 : 78,732,153.08 = 52,488,102.05 : x
  2. Step 2: Convert to fraction form
    52,488,102.05/78,732,153.08 = 52,488,102.05/x
  3. Step 3: Cross multiply
    52,488,102.05x = 78,732,153.08 × 52,488,102.05
  4. Step 4: Simplify right side
    52,488,102.05x = 4,132,501,285,216,821
  5. Step 5: Solve for x
    x = 4,132,501,285,216,821/52,488,102.05
  6. Step 6: Final answer
    x = 78,732,153.08

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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.