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Finding the Fourth Proportional to 159,887.66, 239,602.64 and 117,434.76

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Solution

The fourth proportional to 159,887.66, 239,602.64 and 117,434.76 is: 175,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,887.66 : 239,602.64 = 117,434.76 : x
  2. Step 2: Convert to fraction form
    159,887.66/239,602.64 = 117,434.76/x
  3. Step 3: Cross multiply
    159,887.66x = 239,602.64 × 117,434.76
  4. Step 4: Simplify right side
    159,887.66x = 28,137,678,523.77
  5. Step 5: Solve for x
    x = 28,137,678,523.77/159,887.66
  6. Step 6: Final answer
    x = 175,984.05

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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.