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Finding the Fourth Proportional to 219,597.56, 302,923.58 and 151,650.20

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Solution

The fourth proportional to 219,597.56, 302,923.58 and 151,650.20 is: 209,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,597.56 : 302,923.58 = 151,650.20 : x
  2. Step 2: Convert to fraction form
    219,597.56/302,923.58 = 151,650.20/x
  3. Step 3: Cross multiply
    219,597.56x = 302,923.58 × 151,650.20
  4. Step 4: Simplify right side
    219,597.56x = 45,938,421,490.77
  5. Step 5: Solve for x
    x = 45,938,421,490.77/219,597.56
  6. Step 6: Final answer
    x = 209,193.68

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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.