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Finding the Fourth Proportional to 92,349.52, 127,116.95 and 66,814.47

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Solution

The fourth proportional to 92,349.52, 127,116.95 and 66,814.47 is: 91,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,349.52 : 127,116.95 = 66,814.47 : x
  2. Step 2: Convert to fraction form
    92,349.52/127,116.95 = 66,814.47/x
  3. Step 3: Cross multiply
    92,349.52x = 127,116.95 × 66,814.47
  4. Step 4: Simplify right side
    92,349.52x = 8,493,251,308.19
  5. Step 5: Solve for x
    x = 8,493,251,308.19/92,349.52
  6. Step 6: Final answer
    x = 91,968.55

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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.