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Finding the Fourth Proportional to 64,679,817.60, 97,019,726.40 and 59,389,027.20

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Solution

The fourth proportional to 64,679,817.60, 97,019,726.40 and 59,389,027.20 is: 89,083,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679,817.60 : 97,019,726.40 = 59,389,027.20 : x
  2. Step 2: Convert to fraction form
    64,679,817.60/97,019,726.40 = 59,389,027.20/x
  3. Step 3: Cross multiply
    64,679,817.60x = 97,019,726.40 × 59,389,027.20
  4. Step 4: Simplify right side
    64,679,817.60x = 5,761,907,170,106,159
  5. Step 5: Solve for x
    x = 5,761,907,170,106,159/64,679,817.60
  6. Step 6: Final answer
    x = 89,083,540.80

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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.