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Finding the Fourth Proportional to 101,220.80, 151,874.40 and 48,603.20

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Solution

The fourth proportional to 101,220.80, 151,874.40 and 48,603.20 is: 72,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,220.80 : 151,874.40 = 48,603.20 : x
  2. Step 2: Convert to fraction form
    101,220.80/151,874.40 = 48,603.20/x
  3. Step 3: Cross multiply
    101,220.80x = 151,874.40 × 48,603.20
  4. Step 4: Simplify right side
    101,220.80x = 7,381,581,838.08
  5. Step 5: Solve for x
    x = 7,381,581,838.08/101,220.80
  6. Step 6: Final answer
    x = 72,925.54

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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.