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Finding the Fourth Proportional to 98,706.60, 147,284.73 and 92,681.42

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Solution

The fourth proportional to 98,706.60, 147,284.73 and 92,681.42 is: 138,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,706.60 : 147,284.73 = 92,681.42 : x
  2. Step 2: Convert to fraction form
    98,706.60/147,284.73 = 92,681.42/x
  3. Step 3: Cross multiply
    98,706.60x = 147,284.73 × 92,681.42
  4. Step 4: Simplify right side
    98,706.60x = 13,650,557,184.29
  5. Step 5: Solve for x
    x = 13,650,557,184.29/98,706.60
  6. Step 6: Final answer
    x = 138,294.27

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.