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Finding the Fourth Proportional to 97,235.40, 146,006.70 and 71,123.40

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Solution

The fourth proportional to 97,235.40, 146,006.70 and 71,123.40 is: 106,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,235.40 : 146,006.70 = 71,123.40 : x
  2. Step 2: Convert to fraction form
    97,235.40/146,006.70 = 71,123.40/x
  3. Step 3: Cross multiply
    97,235.40x = 146,006.70 × 71,123.40
  4. Step 4: Simplify right side
    97,235.40x = 10,384,492,926.78
  5. Step 5: Solve for x
    x = 10,384,492,926.78/97,235.40
  6. Step 6: Final answer
    x = 106,797.45

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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.