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Finding the Fourth Proportional to 147,438.33, 220,810.30 and 97,394.30

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Solution

The fourth proportional to 147,438.33, 220,810.30 and 97,394.30 is: 145,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,438.33 : 220,810.30 = 97,394.30 : x
  2. Step 2: Convert to fraction form
    147,438.33/220,810.30 = 97,394.30/x
  3. Step 3: Cross multiply
    147,438.33x = 220,810.30 × 97,394.30
  4. Step 4: Simplify right side
    147,438.33x = 21,505,664,601.29
  5. Step 5: Solve for x
    x = 21,505,664,601.29/147,438.33
  6. Step 6: Final answer
    x = 145,862.10

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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.