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Finding the Fourth Proportional to 134,429.90, 201,709.65 and 94,901.90

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Solution

The fourth proportional to 134,429.90, 201,709.65 and 94,901.90 is: 142,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429.90 : 201,709.65 = 94,901.90 : x
  2. Step 2: Convert to fraction form
    134,429.90/201,709.65 = 94,901.90/x
  3. Step 3: Cross multiply
    134,429.90x = 201,709.65 × 94,901.90
  4. Step 4: Simplify right side
    134,429.90x = 19,142,629,033.34
  5. Step 5: Solve for x
    x = 19,142,629,033.34/134,429.90
  6. Step 6: Final answer
    x = 142,398.60

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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.