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Finding the Fourth Proportional to 238,705.59, 358,002.93 and 70,180.83

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Solution

The fourth proportional to 238,705.59, 358,002.93 and 70,180.83 is: 105,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,705.59 : 358,002.93 = 70,180.83 : x
  2. Step 2: Convert to fraction form
    238,705.59/358,002.93 = 70,180.83/x
  3. Step 3: Cross multiply
    238,705.59x = 358,002.93 × 70,180.83
  4. Step 4: Simplify right side
    238,705.59x = 25,124,942,769.83
  5. Step 5: Solve for x
    x = 25,124,942,769.83/238,705.59
  6. Step 6: Final answer
    x = 105,254.94

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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.