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Finding the Fourth Proportional to 97,222.80, 145,834.20 and 88,912.20

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Solution

The fourth proportional to 97,222.80, 145,834.20 and 88,912.20 is: 133,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,222.80 : 145,834.20 = 88,912.20 : x
  2. Step 2: Convert to fraction form
    97,222.80/145,834.20 = 88,912.20/x
  3. Step 3: Cross multiply
    97,222.80x = 145,834.20 × 88,912.20
  4. Step 4: Simplify right side
    97,222.80x = 12,966,439,557.24
  5. Step 5: Solve for x
    x = 12,966,439,557.24/97,222.80
  6. Step 6: Final answer
    x = 133,368.30

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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.