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Finding the Fourth Proportional to 180,174.03, 248,627.10 and 99,603

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Solution

The fourth proportional to 180,174.03, 248,627.10 and 99,603 is: 137,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,174.03 : 248,627.10 = 99,603 : x
  2. Step 2: Convert to fraction form
    180,174.03/248,627.10 = 99,603/x
  3. Step 3: Cross multiply
    180,174.03x = 248,627.10 × 99,603
  4. Step 4: Simplify right side
    180,174.03x = 24,764,005,041.30
  5. Step 5: Solve for x
    x = 24,764,005,041.30/180,174.03
  6. Step 6: Final answer
    x = 137,444.92

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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.