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Finding the Fourth Proportional to 58,764,912.80, 88,061,314.80 and 52,699,632.80

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Solution

The fourth proportional to 58,764,912.80, 88,061,314.80 and 52,699,632.80 is: 78,972,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,764,912.80 : 88,061,314.80 = 52,699,632.80 : x
  2. Step 2: Convert to fraction form
    58,764,912.80/88,061,314.80 = 52,699,632.80/x
  3. Step 3: Cross multiply
    58,764,912.80x = 88,061,314.80 × 52,699,632.80
  4. Step 4: Simplify right side
    58,764,912.80x = 4,640,798,953,845,205
  5. Step 5: Solve for x
    x = 4,640,798,953,845,205/58,764,912.80
  6. Step 6: Final answer
    x = 78,972,276.70

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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.