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Finding the Fourth Proportional to 113,225.40, 169,838.10 and 106,313.40

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Solution

The fourth proportional to 113,225.40, 169,838.10 and 106,313.40 is: 159,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,225.40 : 169,838.10 = 106,313.40 : x
  2. Step 2: Convert to fraction form
    113,225.40/169,838.10 = 106,313.40/x
  3. Step 3: Cross multiply
    113,225.40x = 169,838.10 × 106,313.40
  4. Step 4: Simplify right side
    113,225.40x = 18,056,065,860.54
  5. Step 5: Solve for x
    x = 18,056,065,860.54/113,225.40
  6. Step 6: Final answer
    x = 159,470.10

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1.5x scale

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.