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Finding the Fourth Proportional to 101,482.16, 140,010.96 and 59,005.76

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Solution

The fourth proportional to 101,482.16, 140,010.96 and 59,005.76 is: 81,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,482.16 : 140,010.96 = 59,005.76 : x
  2. Step 2: Convert to fraction form
    101,482.16/140,010.96 = 59,005.76/x
  3. Step 3: Cross multiply
    101,482.16x = 140,010.96 × 59,005.76
  4. Step 4: Simplify right side
    101,482.16x = 8,261,453,103.13
  5. Step 5: Solve for x
    x = 8,261,453,103.13/101,482.16
  6. Step 6: Final answer
    x = 81,407.94

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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.