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Finding the Fourth Proportional to 180,530.01, 248,905.29 and 115,885.20

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Solution

The fourth proportional to 180,530.01, 248,905.29 and 115,885.20 is: 159,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,530.01 : 248,905.29 = 115,885.20 : x
  2. Step 2: Convert to fraction form
    180,530.01/248,905.29 = 115,885.20/x
  3. Step 3: Cross multiply
    180,530.01x = 248,905.29 × 115,885.20
  4. Step 4: Simplify right side
    180,530.01x = 28,844,439,312.71
  5. Step 5: Solve for x
    x = 28,844,439,312.71/180,530.01
  6. Step 6: Final answer
    x = 159,776.42

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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.