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Finding the Fourth Proportional to 173,482.70, 239,313.76 and 105,520.46

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Solution

The fourth proportional to 173,482.70, 239,313.76 and 105,520.46 is: 145,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,482.70 : 239,313.76 = 105,520.46 : x
  2. Step 2: Convert to fraction form
    173,482.70/239,313.76 = 105,520.46/x
  3. Step 3: Cross multiply
    173,482.70x = 239,313.76 × 105,520.46
  4. Step 4: Simplify right side
    173,482.70x = 25,252,496,579.16
  5. Step 5: Solve for x
    x = 25,252,496,579.16/173,482.70
  6. Step 6: Final answer
    x = 145,562.05

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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.