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Finding the Fourth Proportional to 30,181,902.90, 45,272,854.37 and 30,181,902.90

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Solution

The fourth proportional to 30,181,902.90, 45,272,854.37 and 30,181,902.90 is: 45,272,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181,902.90 : 45,272,854.37 = 30,181,902.90 : x
  2. Step 2: Convert to fraction form
    30,181,902.90/45,272,854.37 = 30,181,902.90/x
  3. Step 3: Cross multiply
    30,181,902.90x = 45,272,854.37 × 30,181,902.90
  4. Step 4: Simplify right side
    30,181,902.90x = 1,366,420,894,450,271.25
  5. Step 5: Solve for x
    x = 1,366,420,894,450,271.25/30,181,902.90
  6. Step 6: Final answer
    x = 45,272,854.37

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1.5x scale

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.