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Finding the Fourth Proportional to 98,817.97, 136,368.63 and 53,495.94

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Solution

The fourth proportional to 98,817.97, 136,368.63 and 53,495.94 is: 73,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,817.97 : 136,368.63 = 53,495.94 : x
  2. Step 2: Convert to fraction form
    98,817.97/136,368.63 = 53,495.94/x
  3. Step 3: Cross multiply
    98,817.97x = 136,368.63 × 53,495.94
  4. Step 4: Simplify right side
    98,817.97x = 7,295,167,366.52
  5. Step 5: Solve for x
    x = 7,295,167,366.52/98,817.97
  6. Step 6: Final answer
    x = 73,824.30

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1.5x scale

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.