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Finding the Fourth Proportional to 88,762,976.80, 133,060,484.40 and 52,399,290.40

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Solution

The fourth proportional to 88,762,976.80, 133,060,484.40 and 52,399,290.40 is: 78,549,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,762,976.80 : 133,060,484.40 = 52,399,290.40 : x
  2. Step 2: Convert to fraction form
    88,762,976.80/133,060,484.40 = 52,399,290.40/x
  3. Step 3: Cross multiply
    88,762,976.80x = 133,060,484.40 × 52,399,290.40
  4. Step 4: Simplify right side
    88,762,976.80x = 6,972,274,962,840,270
  5. Step 5: Solve for x
    x = 6,972,274,962,840,270/88,762,976.80
  6. Step 6: Final answer
    x = 78,549,359.36

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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.