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Finding the Fourth Proportional to 144,807.30, 217,203.04 and 39,618.67

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Solution

The fourth proportional to 144,807.30, 217,203.04 and 39,618.67 is: 59,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,807.30 : 217,203.04 = 39,618.67 : x
  2. Step 2: Convert to fraction form
    144,807.30/217,203.04 = 39,618.67/x
  3. Step 3: Cross multiply
    144,807.30x = 217,203.04 × 39,618.67
  4. Step 4: Simplify right side
    144,807.30x = 8,605,295,564.76
  5. Step 5: Solve for x
    x = 8,605,295,564.76/144,807.30
  6. Step 6: Final answer
    x = 59,425.84

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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.