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Finding the Fourth Proportional to 99,266.10, 148,899.15 and 92,705.10

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Solution

The fourth proportional to 99,266.10, 148,899.15 and 92,705.10 is: 139,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,266.10 : 148,899.15 = 92,705.10 : x
  2. Step 2: Convert to fraction form
    99,266.10/148,899.15 = 92,705.10/x
  3. Step 3: Cross multiply
    99,266.10x = 148,899.15 × 92,705.10
  4. Step 4: Simplify right side
    99,266.10x = 13,803,710,590.67
  5. Step 5: Solve for x
    x = 13,803,710,590.67/99,266.10
  6. Step 6: Final answer
    x = 139,057.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.