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Finding the Fourth Proportional to 213,503.92, 320,248.60 and 101,237.92

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Solution

The fourth proportional to 213,503.92, 320,248.60 and 101,237.92 is: 151,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,503.92 : 320,248.60 = 101,237.92 : x
  2. Step 2: Convert to fraction form
    213,503.92/320,248.60 = 101,237.92/x
  3. Step 3: Cross multiply
    213,503.92x = 320,248.60 × 101,237.92
  4. Step 4: Simplify right side
    213,503.92x = 32,421,302,146.91
  5. Step 5: Solve for x
    x = 32,421,302,146.91/213,503.92
  6. Step 6: Final answer
    x = 151,853.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.