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Finding the Fourth Proportional to 238,889.86, 358,277.36 and 70,364.66

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Solution

The fourth proportional to 238,889.86, 358,277.36 and 70,364.66 is: 105,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,889.86 : 358,277.36 = 70,364.66 : x
  2. Step 2: Convert to fraction form
    238,889.86/358,277.36 = 70,364.66/x
  3. Step 3: Cross multiply
    238,889.86x = 358,277.36 × 70,364.66
  4. Step 4: Simplify right side
    238,889.86x = 25,210,064,622.10
  5. Step 5: Solve for x
    x = 25,210,064,622.10/238,889.86
  6. Step 6: Final answer
    x = 105,530.07

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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.