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Finding the Fourth Proportional to 58,720,768.80, 88,081,153.20 and 58,720,768.80

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Solution

The fourth proportional to 58,720,768.80, 88,081,153.20 and 58,720,768.80 is: 88,081,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720,768.80 : 88,081,153.20 = 58,720,768.80 : x
  2. Step 2: Convert to fraction form
    58,720,768.80/88,081,153.20 = 58,720,768.80/x
  3. Step 3: Cross multiply
    58,720,768.80x = 88,081,153.20 × 58,720,768.80
  4. Step 4: Simplify right side
    58,720,768.80x = 5,172,193,032,694,580
  5. Step 5: Solve for x
    x = 5,172,193,032,694,580/58,720,768.80
  6. Step 6: Final answer
    x = 88,081,153.20

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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.