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Finding the Fourth Proportional to 145,393.49, 200,613.33 and 84,952.45

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Solution

The fourth proportional to 145,393.49, 200,613.33 and 84,952.45 is: 117,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,393.49 : 200,613.33 = 84,952.45 : x
  2. Step 2: Convert to fraction form
    145,393.49/200,613.33 = 84,952.45/x
  3. Step 3: Cross multiply
    145,393.49x = 200,613.33 × 84,952.45
  4. Step 4: Simplify right side
    145,393.49x = 17,042,593,886.16
  5. Step 5: Solve for x
    x = 17,042,593,886.16/145,393.49
  6. Step 6: Final answer
    x = 117,217.04

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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.