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Finding the Fourth Proportional to 238,888.98, 358,276.05 and 70,363.79

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Solution

The fourth proportional to 238,888.98, 358,276.05 and 70,363.79 is: 105,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,888.98 : 358,276.05 = 70,363.79 : x
  2. Step 2: Convert to fraction form
    238,888.98/358,276.05 = 70,363.79/x
  3. Step 3: Cross multiply
    238,888.98x = 358,276.05 × 70,363.79
  4. Step 4: Simplify right side
    238,888.98x = 25,209,658,952.85
  5. Step 5: Solve for x
    x = 25,209,658,952.85/238,888.98
  6. Step 6: Final answer
    x = 105,528.76

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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.