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Finding the Fourth Proportional to 64,388,517.50, 88,879,266.77 and 38,282,973.05

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Solution

The fourth proportional to 64,388,517.50, 88,879,266.77 and 38,282,973.05 is: 52,844,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,388,517.50 : 88,879,266.77 = 38,282,973.05 : x
  2. Step 2: Convert to fraction form
    64,388,517.50/88,879,266.77 = 38,282,973.05/x
  3. Step 3: Cross multiply
    64,388,517.50x = 88,879,266.77 × 38,282,973.05
  4. Step 4: Simplify right side
    64,388,517.50x = 3,402,562,574,459,670
  5. Step 5: Solve for x
    x = 3,402,562,574,459,670/64,388,517.50
  6. Step 6: Final answer
    x = 52,844,244.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.