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Finding the Fourth Proportional to 64,565,649.76, 89,132,406.88 and 44,734,453.16

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Solution

The fourth proportional to 64,565,649.76, 89,132,406.88 and 44,734,453.16 is: 61,755,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,565,649.76 : 89,132,406.88 = 44,734,453.16 : x
  2. Step 2: Convert to fraction form
    64,565,649.76/89,132,406.88 = 44,734,453.16/x
  3. Step 3: Cross multiply
    64,565,649.76x = 89,132,406.88 × 44,734,453.16
  4. Step 4: Simplify right side
    64,565,649.76x = 3,987,289,480,611,421
  5. Step 5: Solve for x
    x = 3,987,289,480,611,421/64,565,649.76
  6. Step 6: Final answer
    x = 61,755,585.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.