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Finding the Fourth Proportional to 348,058.70, 522,088.05 and 111,409.10

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Solution

The fourth proportional to 348,058.70, 522,088.05 and 111,409.10 is: 167,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,058.70 : 522,088.05 = 111,409.10 : x
  2. Step 2: Convert to fraction form
    348,058.70/522,088.05 = 111,409.10/x
  3. Step 3: Cross multiply
    348,058.70x = 522,088.05 × 111,409.10
  4. Step 4: Simplify right side
    348,058.70x = 58,165,359,771.26
  5. Step 5: Solve for x
    x = 58,165,359,771.26/348,058.70
  6. Step 6: Final answer
    x = 167,113.65

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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.