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Finding the Fourth Proportional to 134,088.96, 201,218.29 and 74,963.42

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Solution

The fourth proportional to 134,088.96, 201,218.29 and 74,963.42 is: 112,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,088.96 : 201,218.29 = 74,963.42 : x
  2. Step 2: Convert to fraction form
    134,088.96/201,218.29 = 74,963.42/x
  3. Step 3: Cross multiply
    134,088.96x = 201,218.29 × 74,963.42
  4. Step 4: Simplify right side
    134,088.96x = 15,084,010,178.86
  5. Step 5: Solve for x
    x = 15,084,010,178.86/134,088.96
  6. Step 6: Final answer
    x = 112,492.56

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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.