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Finding the Fourth Proportional to 144,710.17, 199,698.29 and 84,290.65

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Solution

The fourth proportional to 144,710.17, 199,698.29 and 84,290.65 is: 116,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,710.17 : 199,698.29 = 84,290.65 : x
  2. Step 2: Convert to fraction form
    144,710.17/199,698.29 = 84,290.65/x
  3. Step 3: Cross multiply
    144,710.17x = 199,698.29 × 84,290.65
  4. Step 4: Simplify right side
    144,710.17x = 16,832,698,246.54
  5. Step 5: Solve for x
    x = 16,832,698,246.54/144,710.17
  6. Step 6: Final answer
    x = 116,320.08

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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.