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Finding the Fourth Proportional to 30,545,925.90, 45,818,888.85 and 30,545,925.90

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Solution

The fourth proportional to 30,545,925.90, 45,818,888.85 and 30,545,925.90 is: 45,818,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545,925.90 : 45,818,888.85 = 30,545,925.90 : x
  2. Step 2: Convert to fraction form
    30,545,925.90/45,818,888.85 = 30,545,925.90/x
  3. Step 3: Cross multiply
    30,545,925.90x = 45,818,888.85 × 30,545,925.90
  4. Step 4: Simplify right side
    30,545,925.90x = 1,399,580,383,632,436.25
  5. Step 5: Solve for x
    x = 1,399,580,383,632,436.25/30,545,925.90
  6. Step 6: Final answer
    x = 45,818,888.85

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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.