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Finding the Fourth Proportional to 144,312.76, 216,490.68 and 44,464.60

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Solution

The fourth proportional to 144,312.76, 216,490.68 and 44,464.60 is: 66,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,312.76 : 216,490.68 = 44,464.60 : x
  2. Step 2: Convert to fraction form
    144,312.76/216,490.68 = 44,464.60/x
  3. Step 3: Cross multiply
    144,312.76x = 216,490.68 × 44,464.60
  4. Step 4: Simplify right side
    144,312.76x = 9,626,171,489.93
  5. Step 5: Solve for x
    x = 9,626,171,489.93/144,312.76
  6. Step 6: Final answer
    x = 66,703.54

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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.