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Finding the Fourth Proportional to 35,220,148.90, 49,207,431.50 and 35,220,148.90

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Solution

The fourth proportional to 35,220,148.90, 49,207,431.50 and 35,220,148.90 is: 49,207,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,220,148.90 : 49,207,431.50 = 35,220,148.90 : x
  2. Step 2: Convert to fraction form
    35,220,148.90/49,207,431.50 = 35,220,148.90/x
  3. Step 3: Cross multiply
    35,220,148.90x = 49,207,431.50 × 35,220,148.90
  4. Step 4: Simplify right side
    35,220,148.90x = 1,733,093,064,416,550.25
  5. Step 5: Solve for x
    x = 1,733,093,064,416,550.25/35,220,148.90
  6. Step 6: Final answer
    x = 49,207,431.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.