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Finding the Fourth Proportional to 219,443.52, 302,830.92 and 118,841.52

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Solution

The fourth proportional to 219,443.52, 302,830.92 and 118,841.52 is: 164,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,443.52 : 302,830.92 = 118,841.52 : x
  2. Step 2: Convert to fraction form
    219,443.52/302,830.92 = 118,841.52/x
  3. Step 3: Cross multiply
    219,443.52x = 302,830.92 × 118,841.52
  4. Step 4: Simplify right side
    219,443.52x = 35,988,886,835.80
  5. Step 5: Solve for x
    x = 35,988,886,835.80/219,443.52
  6. Step 6: Final answer
    x = 164,000.68

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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.