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Finding the Fourth Proportional to 84,549.61, 116,332.77 and 73,182.88

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Solution

The fourth proportional to 84,549.61, 116,332.77 and 73,182.88 is: 100,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,549.61 : 116,332.77 = 73,182.88 : x
  2. Step 2: Convert to fraction form
    84,549.61/116,332.77 = 73,182.88/x
  3. Step 3: Cross multiply
    84,549.61x = 116,332.77 × 73,182.88
  4. Step 4: Simplify right side
    84,549.61x = 8,513,567,146.98
  5. Step 5: Solve for x
    x = 8,513,567,146.98/84,549.61
  6. Step 6: Final answer
    x = 100,693.16

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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.