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Finding the Fourth Proportional to 134,428.40, 201,707.40 and 94,900.40

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Solution

The fourth proportional to 134,428.40, 201,707.40 and 94,900.40 is: 142,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428.40 : 201,707.40 = 94,900.40 : x
  2. Step 2: Convert to fraction form
    134,428.40/201,707.40 = 94,900.40/x
  3. Step 3: Cross multiply
    134,428.40x = 201,707.40 × 94,900.40
  4. Step 4: Simplify right side
    134,428.40x = 19,142,112,942.96
  5. Step 5: Solve for x
    x = 19,142,112,942.96/134,428.40
  6. Step 6: Final answer
    x = 142,396.35

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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.