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Finding the Fourth Proportional to 158,406.17, 237,018.73 and 156,634.70

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Solution

The fourth proportional to 158,406.17, 237,018.73 and 156,634.70 is: 234,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,406.17 : 237,018.73 = 156,634.70 : x
  2. Step 2: Convert to fraction form
    158,406.17/237,018.73 = 156,634.70/x
  3. Step 3: Cross multiply
    158,406.17x = 237,018.73 × 156,634.70
  4. Step 4: Simplify right side
    158,406.17x = 37,125,357,667.93
  5. Step 5: Solve for x
    x = 37,125,357,667.93/158,406.17
  6. Step 6: Final answer
    x = 234,368.13

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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.