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Finding the Fourth Proportional to 43,103,477.90, 64,655,216.86 and 43,103,477.90

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Solution

The fourth proportional to 43,103,477.90, 64,655,216.86 and 43,103,477.90 is: 64,655,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103,477.90 : 64,655,216.86 = 43,103,477.90 : x
  2. Step 2: Convert to fraction form
    43,103,477.90/64,655,216.86 = 43,103,477.90/x
  3. Step 3: Cross multiply
    43,103,477.90x = 64,655,216.86 × 43,103,477.90
  4. Step 4: Simplify right side
    43,103,477.90x = 2,786,864,711,044,717.50
  5. Step 5: Solve for x
    x = 2,786,864,711,044,717.50/43,103,477.90
  6. Step 6: Final answer
    x = 64,655,216.86

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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.