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Finding the Fourth Proportional to 88,705,968.80, 133,058,953.20 and 31,197,783.20

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Solution

The fourth proportional to 88,705,968.80, 133,058,953.20 and 31,197,783.20 is: 46,796,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705,968.80 : 133,058,953.20 = 31,197,783.20 : x
  2. Step 2: Convert to fraction form
    88,705,968.80/133,058,953.20 = 31,197,783.20/x
  3. Step 3: Cross multiply
    88,705,968.80x = 133,058,953.20 × 31,197,783.20
  4. Step 4: Simplify right side
    88,705,968.80x = 4,151,144,374,752,546
  5. Step 5: Solve for x
    x = 4,151,144,374,752,546/88,705,968.80
  6. Step 6: Final answer
    x = 46,796,674.80

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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.