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Finding the Fourth Proportional to 64,486,501.80, 96,729,752.70 and 50,119,880.10

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Solution

The fourth proportional to 64,486,501.80, 96,729,752.70 and 50,119,880.10 is: 75,179,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,486,501.80 : 96,729,752.70 = 50,119,880.10 : x
  2. Step 2: Convert to fraction form
    64,486,501.80/96,729,752.70 = 50,119,880.10/x
  3. Step 3: Cross multiply
    64,486,501.80x = 96,729,752.70 × 50,119,880.10
  4. Step 4: Simplify right side
    64,486,501.80x = 4,848,083,607,426,652
  5. Step 5: Solve for x
    x = 4,848,083,607,426,652/64,486,501.80
  6. Step 6: Final answer
    x = 75,179,820.15

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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.