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Finding the Fourth Proportional to 98,492.67, 146,802.08 and 92,887.11

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Solution

The fourth proportional to 98,492.67, 146,802.08 and 92,887.11 is: 138,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,492.67 : 146,802.08 = 92,887.11 : x
  2. Step 2: Convert to fraction form
    98,492.67/146,802.08 = 92,887.11/x
  3. Step 3: Cross multiply
    98,492.67x = 146,802.08 × 92,887.11
  4. Step 4: Simplify right side
    98,492.67x = 13,636,020,488.75
  5. Step 5: Solve for x
    x = 13,636,020,488.75/98,492.67
  6. Step 6: Final answer
    x = 138,447.06

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Why These Related Problems?

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