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Finding the Fourth Proportional to 75,095.92, 103,669.77 and 43,258.60

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Solution

The fourth proportional to 75,095.92, 103,669.77 and 43,258.60 is: 59,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,095.92 : 103,669.77 = 43,258.60 : x
  2. Step 2: Convert to fraction form
    75,095.92/103,669.77 = 43,258.60/x
  3. Step 3: Cross multiply
    75,095.92x = 103,669.77 × 43,258.60
  4. Step 4: Simplify right side
    75,095.92x = 4,484,609,112.52
  5. Step 5: Solve for x
    x = 4,484,609,112.52/75,095.92
  6. Step 6: Final answer
    x = 59,718.41

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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.