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Finding the Fourth Proportional to 98,495.00, 135,923.64 and 56,053.53

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Solution

The fourth proportional to 98,495.00, 135,923.64 and 56,053.53 is: 77,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,495.00 : 135,923.64 = 56,053.53 : x
  2. Step 2: Convert to fraction form
    98,495.00/135,923.64 = 56,053.53/x
  3. Step 3: Cross multiply
    98,495.00x = 135,923.64 × 56,053.53
  4. Step 4: Simplify right side
    98,495.00x = 7,618,999,832.45
  5. Step 5: Solve for x
    x = 7,618,999,832.45/98,495.00
  6. Step 6: Final answer
    x = 77,354.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.