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Finding the Fourth Proportional to 150,653.51, 207,894.80 and 82,668.77

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Solution

The fourth proportional to 150,653.51, 207,894.80 and 82,668.77 is: 114,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,653.51 : 207,894.80 = 82,668.77 : x
  2. Step 2: Convert to fraction form
    150,653.51/207,894.80 = 82,668.77/x
  3. Step 3: Cross multiply
    150,653.51x = 207,894.80 × 82,668.77
  4. Step 4: Simplify right side
    150,653.51x = 17,186,406,572.59
  5. Step 5: Solve for x
    x = 17,186,406,572.59/150,653.51
  6. Step 6: Final answer
    x = 114,079.04

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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.