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Finding the Fourth Proportional to 173,358, 239,235.48 and 93,870

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Solution

The fourth proportional to 173,358, 239,235.48 and 93,870 is: 129,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,358 : 239,235.48 = 93,870 : x
  2. Step 2: Convert to fraction form
    173,358/239,235.48 = 93,870/x
  3. Step 3: Cross multiply
    173,358x = 239,235.48 × 93,870
  4. Step 4: Simplify right side
    173,358x = 22,457,034,507.60
  5. Step 5: Solve for x
    x = 22,457,034,507.60/173,358
  6. Step 6: Final answer
    x = 129,541.38

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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.