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Finding the Fourth Proportional to 101,922.40, 152,883.60 and 99,006.40

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Solution

The fourth proportional to 101,922.40, 152,883.60 and 99,006.40 is: 148,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,922.40 : 152,883.60 = 99,006.40 : x
  2. Step 2: Convert to fraction form
    101,922.40/152,883.60 = 99,006.40/x
  3. Step 3: Cross multiply
    101,922.40x = 152,883.60 × 99,006.40
  4. Step 4: Simplify right side
    101,922.40x = 15,136,454,855.04
  5. Step 5: Solve for x
    x = 15,136,454,855.04/101,922.40
  6. Step 6: Final answer
    x = 148,509.60

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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.