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Finding the Fourth Proportional to 144,283.68, 216,202.23 and 99,996.93

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Solution

The fourth proportional to 144,283.68, 216,202.23 and 99,996.93 is: 149,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,283.68 : 216,202.23 = 99,996.93 : x
  2. Step 2: Convert to fraction form
    144,283.68/216,202.23 = 99,996.93/x
  3. Step 3: Cross multiply
    144,283.68x = 216,202.23 × 99,996.93
  4. Step 4: Simplify right side
    144,283.68x = 21,619,559,259.15
  5. Step 5: Solve for x
    x = 21,619,559,259.15/144,283.68
  6. Step 6: Final answer
    x = 149,840.64

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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.