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Finding the Fourth Proportional to 64,457,696.60, 96,686,544.90 and 49,845,037.40

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Solution

The fourth proportional to 64,457,696.60, 96,686,544.90 and 49,845,037.40 is: 74,767,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,457,696.60 : 96,686,544.90 = 49,845,037.40 : x
  2. Step 2: Convert to fraction form
    64,457,696.60/96,686,544.90 = 49,845,037.40/x
  3. Step 3: Cross multiply
    64,457,696.60x = 96,686,544.90 × 49,845,037.40
  4. Step 4: Simplify right side
    64,457,696.60x = 4,819,344,446,617,279
  5. Step 5: Solve for x
    x = 4,819,344,446,617,279/64,457,696.60
  6. Step 6: Final answer
    x = 74,767,556.10

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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.