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Finding the Fourth Proportional to 88,092.99, 121,669.25 and 58,012.76

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Solution

The fourth proportional to 88,092.99, 121,669.25 and 58,012.76 is: 80,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,092.99 : 121,669.25 = 58,012.76 : x
  2. Step 2: Convert to fraction form
    88,092.99/121,669.25 = 58,012.76/x
  3. Step 3: Cross multiply
    88,092.99x = 121,669.25 × 58,012.76
  4. Step 4: Simplify right side
    88,092.99x = 7,058,368,999.63
  5. Step 5: Solve for x
    x = 7,058,368,999.63/88,092.99
  6. Step 6: Final answer
    x = 80,124.07

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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.