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Finding the Fourth Proportional to 144,681.94, 199,730.30 and 96,364.28

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Solution

The fourth proportional to 144,681.94, 199,730.30 and 96,364.28 is: 133,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,681.94 : 199,730.30 = 96,364.28 : x
  2. Step 2: Convert to fraction form
    144,681.94/199,730.30 = 96,364.28/x
  3. Step 3: Cross multiply
    144,681.94x = 199,730.30 × 96,364.28
  4. Step 4: Simplify right side
    144,681.94x = 19,246,865,555.03
  5. Step 5: Solve for x
    x = 19,246,865,555.03/144,681.94
  6. Step 6: Final answer
    x = 133,028.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.