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Finding the Fourth Proportional to 60,894,450.90, 91,341,676.35 and 15,456,245.40

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Solution

The fourth proportional to 60,894,450.90, 91,341,676.35 and 15,456,245.40 is: 23,184,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,894,450.90 : 91,341,676.35 = 15,456,245.40 : x
  2. Step 2: Convert to fraction form
    60,894,450.90/91,341,676.35 = 15,456,245.40/x
  3. Step 3: Cross multiply
    60,894,450.90x = 91,341,676.35 × 15,456,245.40
  4. Step 4: Simplify right side
    60,894,450.90x = 1,411,799,364,912,976.25
  5. Step 5: Solve for x
    x = 1,411,799,364,912,976.25/60,894,450.90
  6. Step 6: Final answer
    x = 23,184,368.10

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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.