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Finding the Fourth Proportional to 180,047.58, 248,480.22 and 99,482.16

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Solution

The fourth proportional to 180,047.58, 248,480.22 and 99,482.16 is: 137,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,047.58 : 248,480.22 = 99,482.16 : x
  2. Step 2: Convert to fraction form
    180,047.58/248,480.22 = 99,482.16/x
  3. Step 3: Cross multiply
    180,047.58x = 248,480.22 × 99,482.16
  4. Step 4: Simplify right side
    180,047.58x = 24,719,349,002.88
  5. Step 5: Solve for x
    x = 24,719,349,002.88/180,047.58
  6. Step 6: Final answer
    x = 137,293.43

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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.