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Finding the Fourth Proportional to 79,841,131.60, 119,537,748.60 and 77,601,643.60

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Solution

The fourth proportional to 79,841,131.60, 119,537,748.60 and 77,601,643.60 is: 116,184,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841,131.60 : 119,537,748.60 = 77,601,643.60 : x
  2. Step 2: Convert to fraction form
    79,841,131.60/119,537,748.60 = 77,601,643.60/x
  3. Step 3: Cross multiply
    79,841,131.60x = 119,537,748.60 × 77,601,643.60
  4. Step 4: Simplify right side
    79,841,131.60x = 9,276,325,763,603,598
  5. Step 5: Solve for x
    x = 9,276,325,763,603,598/79,841,131.60
  6. Step 6: Final answer
    x = 116,184,798.21

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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.