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Finding the Fourth Proportional to 101,241.60, 151,862.40 and 48,638.40

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Solution

The fourth proportional to 101,241.60, 151,862.40 and 48,638.40 is: 72,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,241.60 : 151,862.40 = 48,638.40 : x
  2. Step 2: Convert to fraction form
    101,241.60/151,862.40 = 48,638.40/x
  3. Step 3: Cross multiply
    101,241.60x = 151,862.40 × 48,638.40
  4. Step 4: Simplify right side
    101,241.60x = 7,386,344,156.16
  5. Step 5: Solve for x
    x = 7,386,344,156.16/101,241.60
  6. Step 6: Final answer
    x = 72,957.60

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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.