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Finding the Fourth Proportional to 63,681,369.60, 87,871,411.80 and 35,800,268.88

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Solution

The fourth proportional to 63,681,369.60, 87,871,411.80 and 35,800,268.88 is: 49,399,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,681,369.60 : 87,871,411.80 = 35,800,268.88 : x
  2. Step 2: Convert to fraction form
    63,681,369.60/87,871,411.80 = 35,800,268.88/x
  3. Step 3: Cross multiply
    63,681,369.60x = 87,871,411.80 × 35,800,268.88
  4. Step 4: Simplify right side
    63,681,369.60x = 3,145,820,169,305,205
  5. Step 5: Solve for x
    x = 3,145,820,169,305,205/63,681,369.60
  6. Step 6: Final answer
    x = 49,399,379.90

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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.