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Finding the Fourth Proportional to 99,518.76, 137,334.42 and 59,232.06

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Solution

The fourth proportional to 99,518.76, 137,334.42 and 59,232.06 is: 81,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,518.76 : 137,334.42 = 59,232.06 : x
  2. Step 2: Convert to fraction form
    99,518.76/137,334.42 = 59,232.06/x
  3. Step 3: Cross multiply
    99,518.76x = 137,334.42 × 59,232.06
  4. Step 4: Simplify right side
    99,518.76x = 8,134,600,605.51
  5. Step 5: Solve for x
    x = 8,134,600,605.51/99,518.76
  6. Step 6: Final answer
    x = 81,739.37

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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.