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Finding the Fourth Proportional to 148,862.40, 223,293.60 and 134,865.60

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Solution

The fourth proportional to 148,862.40, 223,293.60 and 134,865.60 is: 202,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,862.40 : 223,293.60 = 134,865.60 : x
  2. Step 2: Convert to fraction form
    148,862.40/223,293.60 = 134,865.60/x
  3. Step 3: Cross multiply
    148,862.40x = 223,293.60 × 134,865.60
  4. Step 4: Simplify right side
    148,862.40x = 30,114,625,340.16
  5. Step 5: Solve for x
    x = 30,114,625,340.16/148,862.40
  6. Step 6: Final answer
    x = 202,298.40

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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.