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Finding the Fourth Proportional to 134,159.48, 185,131.11 and 73,728.82

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Solution

The fourth proportional to 134,159.48, 185,131.11 and 73,728.82 is: 101,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,159.48 : 185,131.11 = 73,728.82 : x
  2. Step 2: Convert to fraction form
    134,159.48/185,131.11 = 73,728.82/x
  3. Step 3: Cross multiply
    134,159.48x = 185,131.11 × 73,728.82
  4. Step 4: Simplify right side
    134,159.48x = 13,649,497,822.76
  5. Step 5: Solve for x
    x = 13,649,497,822.76/134,159.48
  6. Step 6: Final answer
    x = 101,740.84

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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.