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Finding the Fourth Proportional to 92,365.60, 127,457.48 and 60,479.16

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Solution

The fourth proportional to 92,365.60, 127,457.48 and 60,479.16 is: 83,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,365.60 : 127,457.48 = 60,479.16 : x
  2. Step 2: Convert to fraction form
    92,365.60/127,457.48 = 60,479.16/x
  3. Step 3: Cross multiply
    92,365.60x = 127,457.48 × 60,479.16
  4. Step 4: Simplify right side
    92,365.60x = 7,708,521,326.12
  5. Step 5: Solve for x
    x = 7,708,521,326.12/92,365.60
  6. Step 6: Final answer
    x = 83,456.63

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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.