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Finding the Fourth Proportional to 60,571,879.60, 90,857,819.40 and 36,385,409.20

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Solution

The fourth proportional to 60,571,879.60, 90,857,819.40 and 36,385,409.20 is: 54,578,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,571,879.60 : 90,857,819.40 = 36,385,409.20 : x
  2. Step 2: Convert to fraction form
    60,571,879.60/90,857,819.40 = 36,385,409.20/x
  3. Step 3: Cross multiply
    60,571,879.60x = 90,857,819.40 × 36,385,409.20
  4. Step 4: Simplify right side
    60,571,879.60x = 3,305,898,937,888,699
  5. Step 5: Solve for x
    x = 3,305,898,937,888,699/60,571,879.60
  6. Step 6: Final answer
    x = 54,578,113.80

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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.