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Finding the Fourth Proportional to 164,805.44, 247,264.18 and 70,031.79

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Solution

The fourth proportional to 164,805.44, 247,264.18 and 70,031.79 is: 105,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,805.44 : 247,264.18 = 70,031.79 : x
  2. Step 2: Convert to fraction form
    164,805.44/247,264.18 = 70,031.79/x
  3. Step 3: Cross multiply
    164,805.44x = 247,264.18 × 70,031.79
  4. Step 4: Simplify right side
    164,805.44x = 17,316,352,953.20
  5. Step 5: Solve for x
    x = 17,316,352,953.20/164,805.44
  6. Step 6: Final answer
    x = 105,071.49

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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.