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Finding the Fourth Proportional to 215,506.56, 297,109.18 and 150,888.88

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Solution

The fourth proportional to 215,506.56, 297,109.18 and 150,888.88 is: 208,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,506.56 : 297,109.18 = 150,888.88 : x
  2. Step 2: Convert to fraction form
    215,506.56/297,109.18 = 150,888.88/x
  3. Step 3: Cross multiply
    215,506.56x = 297,109.18 × 150,888.88
  4. Step 4: Simplify right side
    215,506.56x = 44,830,471,407.92
  5. Step 5: Solve for x
    x = 44,830,471,407.92/215,506.56
  6. Step 6: Final answer
    x = 208,023.70

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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.