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Finding the Fourth Proportional to 134,064.40, 201,123.60 and 39,294.40

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Solution

The fourth proportional to 134,064.40, 201,123.60 and 39,294.40 is: 58,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,064.40 : 201,123.60 = 39,294.40 : x
  2. Step 2: Convert to fraction form
    134,064.40/201,123.60 = 39,294.40/x
  3. Step 3: Cross multiply
    134,064.40x = 201,123.60 × 39,294.40
  4. Step 4: Simplify right side
    134,064.40x = 7,903,031,187.84
  5. Step 5: Solve for x
    x = 7,903,031,187.84/134,064.40
  6. Step 6: Final answer
    x = 58,949.51

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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.