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Finding the Fourth Proportional to 64,495,581.68, 89,003,903.16 and 35,522,205.68

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Solution

The fourth proportional to 64,495,581.68, 89,003,903.16 and 35,522,205.68 is: 49,020,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,495,581.68 : 89,003,903.16 = 35,522,205.68 : x
  2. Step 2: Convert to fraction form
    64,495,581.68/89,003,903.16 = 35,522,205.68/x
  3. Step 3: Cross multiply
    64,495,581.68x = 89,003,903.16 × 35,522,205.68
  4. Step 4: Simplify right side
    64,495,581.68x = 3,161,614,954,372,322
  5. Step 5: Solve for x
    x = 3,161,614,954,372,322/64,495,581.68
  6. Step 6: Final answer
    x = 49,020,644.08

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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.