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Finding the Fourth Proportional to 144,655.48, 216,993.61 and 49,884.30

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Solution

The fourth proportional to 144,655.48, 216,993.61 and 49,884.30 is: 74,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,655.48 : 216,993.61 = 49,884.30 : x
  2. Step 2: Convert to fraction form
    144,655.48/216,993.61 = 49,884.30/x
  3. Step 3: Cross multiply
    144,655.48x = 216,993.61 × 49,884.30
  4. Step 4: Simplify right side
    144,655.48x = 10,824,573,994.82
  5. Step 5: Solve for x
    x = 10,824,573,994.82/144,655.48
  6. Step 6: Final answer
    x = 74,830.03

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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.