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Finding the Fourth Proportional to 173,477.57, 239,408.19 and 105,483.29

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Solution

The fourth proportional to 173,477.57, 239,408.19 and 105,483.29 is: 145,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,477.57 : 239,408.19 = 105,483.29 : x
  2. Step 2: Convert to fraction form
    173,477.57/239,408.19 = 105,483.29/x
  3. Step 3: Cross multiply
    173,477.57x = 239,408.19 × 105,483.29
  4. Step 4: Simplify right side
    173,477.57x = 25,253,562,337.10
  5. Step 5: Solve for x
    x = 25,253,562,337.10/173,477.57
  6. Step 6: Final answer
    x = 145,572.50

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1.5x scale

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.