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Finding the Fourth Proportional to 219,297.56, 302,631.54 and 118,695.56

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Solution

The fourth proportional to 219,297.56, 302,631.54 and 118,695.56 is: 163,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,297.56 : 302,631.54 = 118,695.56 : x
  2. Step 2: Convert to fraction form
    219,297.56/302,631.54 = 118,695.56/x
  3. Step 3: Cross multiply
    219,297.56x = 302,631.54 × 118,695.56
  4. Step 4: Simplify right side
    219,297.56x = 35,921,018,155.70
  5. Step 5: Solve for x
    x = 35,921,018,155.70/219,297.56
  6. Step 6: Final answer
    x = 163,800.36

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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.