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Finding the Fourth Proportional to 134,235.51, 201,227.51 and 45,426.84

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Solution

The fourth proportional to 134,235.51, 201,227.51 and 45,426.84 is: 68,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,235.51 : 201,227.51 = 45,426.84 : x
  2. Step 2: Convert to fraction form
    134,235.51/201,227.51 = 45,426.84/x
  3. Step 3: Cross multiply
    134,235.51x = 201,227.51 × 45,426.84
  4. Step 4: Simplify right side
    134,235.51x = 9,141,130,013.94
  5. Step 5: Solve for x
    x = 9,141,130,013.94/134,235.51
  6. Step 6: Final answer
    x = 68,097.70

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1.5x scale

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.