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Finding the Fourth Proportional to 210,114.66, 289,957.62 and 114,620.67

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Solution

The fourth proportional to 210,114.66, 289,957.62 and 114,620.67 is: 158,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,114.66 : 289,957.62 = 114,620.67 : x
  2. Step 2: Convert to fraction form
    210,114.66/289,957.62 = 114,620.67/x
  3. Step 3: Cross multiply
    210,114.66x = 289,957.62 × 114,620.67
  4. Step 4: Simplify right side
    210,114.66x = 33,235,136,676.01
  5. Step 5: Solve for x
    x = 33,235,136,676.01/210,114.66
  6. Step 6: Final answer
    x = 158,176.19

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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.