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Finding the Fourth Proportional to 134,510.79, 201,667.77 and 45,740.46

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Solution

The fourth proportional to 134,510.79, 201,667.77 and 45,740.46 is: 68,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,510.79 : 201,667.77 = 45,740.46 : x
  2. Step 2: Convert to fraction form
    134,510.79/201,667.77 = 45,740.46/x
  3. Step 3: Cross multiply
    134,510.79x = 201,667.77 × 45,740.46
  4. Step 4: Simplify right side
    134,510.79x = 9,224,376,566.97
  5. Step 5: Solve for x
    x = 9,224,376,566.97/134,510.79
  6. Step 6: Final answer
    x = 68,577.22

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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.