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Finding the Fourth Proportional to 58,683,477.60, 87,941,235.60 and 43,210,015.20

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Solution

The fourth proportional to 58,683,477.60, 87,941,235.60 and 43,210,015.20 is: 64,753,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,683,477.60 : 87,941,235.60 = 43,210,015.20 : x
  2. Step 2: Convert to fraction form
    58,683,477.60/87,941,235.60 = 43,210,015.20/x
  3. Step 3: Cross multiply
    58,683,477.60x = 87,941,235.60 × 43,210,015.20
  4. Step 4: Simplify right side
    58,683,477.60x = 3,799,942,126,982,781
  5. Step 5: Solve for x
    x = 3,799,942,126,982,781/58,683,477.60
  6. Step 6: Final answer
    x = 64,753,185.78

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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.