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Finding the Fourth Proportional to 219,225.86, 302,525.87 and 122,427.04

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Solution

The fourth proportional to 219,225.86, 302,525.87 and 122,427.04 is: 168,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,225.86 : 302,525.87 = 122,427.04 : x
  2. Step 2: Convert to fraction form
    219,225.86/302,525.87 = 122,427.04/x
  3. Step 3: Cross multiply
    219,225.86x = 302,525.87 × 122,427.04
  4. Step 4: Simplify right side
    219,225.86x = 37,037,344,662.76
  5. Step 5: Solve for x
    x = 37,037,344,662.76/219,225.86
  6. Step 6: Final answer
    x = 168,946.06

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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.