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Finding the Fourth Proportional to 99,364.06, 149,045.93 and 25,492.06

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Solution

The fourth proportional to 99,364.06, 149,045.93 and 25,492.06 is: 38,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,364.06 : 149,045.93 = 25,492.06 : x
  2. Step 2: Convert to fraction form
    99,364.06/149,045.93 = 25,492.06/x
  3. Step 3: Cross multiply
    99,364.06x = 149,045.93 × 25,492.06
  4. Step 4: Simplify right side
    99,364.06x = 3,799,487,790.32
  5. Step 5: Solve for x
    x = 3,799,487,790.32/99,364.06
  6. Step 6: Final answer
    x = 38,238.05

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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.