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Finding the Fourth Proportional to 210,094.79, 289,926.09 and 114,604.90

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Solution

The fourth proportional to 210,094.79, 289,926.09 and 114,604.90 is: 158,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,094.79 : 289,926.09 = 114,604.90 : x
  2. Step 2: Convert to fraction form
    210,094.79/289,926.09 = 114,604.90/x
  3. Step 3: Cross multiply
    210,094.79x = 289,926.09 × 114,604.90
  4. Step 4: Simplify right side
    210,094.79x = 33,226,949,827.03
  5. Step 5: Solve for x
    x = 33,226,949,827.03/210,094.79
  6. Step 6: Final answer
    x = 158,152.19

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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.