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Finding the Fourth Proportional to 88,192.74, 121,706.11 and 47,906.51

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Solution

The fourth proportional to 88,192.74, 121,706.11 and 47,906.51 is: 66,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,192.74 : 121,706.11 = 47,906.51 : x
  2. Step 2: Convert to fraction form
    88,192.74/121,706.11 = 47,906.51/x
  3. Step 3: Cross multiply
    88,192.74x = 121,706.11 × 47,906.51
  4. Step 4: Simplify right side
    88,192.74x = 5,830,514,427.13
  5. Step 5: Solve for x
    x = 5,830,514,427.13/88,192.74
  6. Step 6: Final answer
    x = 66,111.04

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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.