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Finding the Fourth Proportional to 64,511,564.40, 96,767,346.60 and 59,584,690.80

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Solution

The fourth proportional to 64,511,564.40, 96,767,346.60 and 59,584,690.80 is: 89,377,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,511,564.40 : 96,767,346.60 = 59,584,690.80 : x
  2. Step 2: Convert to fraction form
    64,511,564.40/96,767,346.60 = 59,584,690.80/x
  3. Step 3: Cross multiply
    64,511,564.40x = 96,767,346.60 × 59,584,690.80
  4. Step 4: Simplify right side
    64,511,564.40x = 5,765,852,426,697,431
  5. Step 5: Solve for x
    x = 5,765,852,426,697,431/64,511,564.40
  6. Step 6: Final answer
    x = 89,377,036.20

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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.