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Finding the Fourth Proportional to 134,503.10, 201,492.17 and 104,781.77

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Solution

The fourth proportional to 134,503.10, 201,492.17 and 104,781.77 is: 156,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,503.10 : 201,492.17 = 104,781.77 : x
  2. Step 2: Convert to fraction form
    134,503.10/201,492.17 = 104,781.77/x
  3. Step 3: Cross multiply
    134,503.10x = 201,492.17 × 104,781.77
  4. Step 4: Simplify right side
    134,503.10x = 21,112,705,468.23
  5. Step 5: Solve for x
    x = 21,112,705,468.23/134,503.10
  6. Step 6: Final answer
    x = 156,968.18

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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.