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Finding the Fourth Proportional to 48,386,782.60, 72,580,175.10 and 48,386,782.60

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Solution

The fourth proportional to 48,386,782.60, 72,580,175.10 and 48,386,782.60 is: 72,580,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,782.60 : 72,580,175.10 = 48,386,782.60 : x
  2. Step 2: Convert to fraction form
    48,386,782.60/72,580,175.10 = 48,386,782.60/x
  3. Step 3: Cross multiply
    48,386,782.60x = 72,580,175.10 × 48,386,782.60
  4. Step 4: Simplify right side
    48,386,782.60x = 3,511,921,153,633,633
  5. Step 5: Solve for x
    x = 3,511,921,153,633,633/48,386,782.60
  6. Step 6: Final answer
    x = 72,580,175.10

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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.