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Finding the Fourth Proportional to 98,526.38, 135,966.60 and 53,814.38

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Solution

The fourth proportional to 98,526.38, 135,966.60 and 53,814.38 is: 74,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,526.38 : 135,966.60 = 53,814.38 : x
  2. Step 2: Convert to fraction form
    98,526.38/135,966.60 = 53,814.38/x
  3. Step 3: Cross multiply
    98,526.38x = 135,966.60 × 53,814.38
  4. Step 4: Simplify right side
    98,526.38x = 7,316,957,599.88
  5. Step 5: Solve for x
    x = 7,316,957,599.88/98,526.38
  6. Step 6: Final answer
    x = 74,263.95

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