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Finding the Fourth Proportional to 143,461.50, 215,226.81 and 44,965.50

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Solution

The fourth proportional to 143,461.50, 215,226.81 and 44,965.50 is: 67,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,461.50 : 215,226.81 = 44,965.50 : x
  2. Step 2: Convert to fraction form
    143,461.50/215,226.81 = 44,965.50/x
  3. Step 3: Cross multiply
    143,461.50x = 215,226.81 × 44,965.50
  4. Step 4: Simplify right side
    143,461.50x = 9,677,781,125.06
  5. Step 5: Solve for x
    x = 9,677,781,125.06/143,461.50
  6. Step 6: Final answer
    x = 67,459.08

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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.