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Finding the Fourth Proportional to 101,803.56, 140,503.44 and 58,774.46

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Solution

The fourth proportional to 101,803.56, 140,503.44 and 58,774.46 is: 81,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,803.56 : 140,503.44 = 58,774.46 : x
  2. Step 2: Convert to fraction form
    101,803.56/140,503.44 = 58,774.46/x
  3. Step 3: Cross multiply
    101,803.56x = 140,503.44 × 58,774.46
  4. Step 4: Simplify right side
    101,803.56x = 8,258,013,111.63
  5. Step 5: Solve for x
    x = 8,258,013,111.63/101,803.56
  6. Step 6: Final answer
    x = 81,117.13

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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.