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Finding the Fourth Proportional to 144,459.68, 216,712.60 and 44,596.40

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Solution

The fourth proportional to 144,459.68, 216,712.60 and 44,596.40 is: 66,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,459.68 : 216,712.60 = 44,596.40 : x
  2. Step 2: Convert to fraction form
    144,459.68/216,712.60 = 44,596.40/x
  3. Step 3: Cross multiply
    144,459.68x = 216,712.60 × 44,596.40
  4. Step 4: Simplify right side
    144,459.68x = 9,664,600,599.59
  5. Step 5: Solve for x
    x = 9,664,600,599.59/144,459.68
  6. Step 6: Final answer
    x = 66,901.72

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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.