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Finding the Fourth Proportional to 64,133.40, 96,329.70 and 61,930.20

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Solution

The fourth proportional to 64,133.40, 96,329.70 and 61,930.20 is: 93,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,133.40 : 96,329.70 = 61,930.20 : x
  2. Step 2: Convert to fraction form
    64,133.40/96,329.70 = 61,930.20/x
  3. Step 3: Cross multiply
    64,133.40x = 96,329.70 × 61,930.20
  4. Step 4: Simplify right side
    64,133.40x = 5,965,717,586.94
  5. Step 5: Solve for x
    x = 5,965,717,586.94/64,133.40
  6. Step 6: Final answer
    x = 93,020.45

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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.