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Finding the Fourth Proportional to 173,196, 239,010.64 and 93,708

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Solution

The fourth proportional to 173,196, 239,010.64 and 93,708 is: 129,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,196 : 239,010.64 = 93,708 : x
  2. Step 2: Convert to fraction form
    173,196/239,010.64 = 93,708/x
  3. Step 3: Cross multiply
    173,196x = 239,010.64 × 93,708
  4. Step 4: Simplify right side
    173,196x = 22,397,209,053.12
  5. Step 5: Solve for x
    x = 22,397,209,053.12/173,196
  6. Step 6: Final answer
    x = 129,317.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.