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Finding the Fourth Proportional to 144,533.80, 216,726.01 and 63,447.64

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Solution

The fourth proportional to 144,533.80, 216,726.01 and 63,447.64 is: 95,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,533.80 : 216,726.01 = 63,447.64 : x
  2. Step 2: Convert to fraction form
    144,533.80/216,726.01 = 63,447.64/x
  3. Step 3: Cross multiply
    144,533.80x = 216,726.01 × 63,447.64
  4. Step 4: Simplify right side
    144,533.80x = 13,750,753,861.12
  5. Step 5: Solve for x
    x = 13,750,753,861.12/144,533.80
  6. Step 6: Final answer
    x = 95,138.67

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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.