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Finding the Fourth Proportional to 96,408,978.89, 144,594,637.80 and 30,812,520.81

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Solution

The fourth proportional to 96,408,978.89, 144,594,637.80 and 30,812,520.81 is: 46,212,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,408,978.89 : 144,594,637.80 = 30,812,520.81 : x
  2. Step 2: Convert to fraction form
    96,408,978.89/144,594,637.80 = 30,812,520.81/x
  3. Step 3: Cross multiply
    96,408,978.89x = 144,594,637.80 × 30,812,520.81
  4. Step 4: Simplify right side
    96,408,978.89x = 4,455,325,286,226,913
  5. Step 5: Solve for x
    x = 4,455,325,286,226,913/96,408,978.89
  6. Step 6: Final answer
    x = 46,212,762.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.