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Finding the Fourth Proportional to 115,369.70, 173,054.55 and 70,852.10

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Solution

The fourth proportional to 115,369.70, 173,054.55 and 70,852.10 is: 106,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,369.70 : 173,054.55 = 70,852.10 : x
  2. Step 2: Convert to fraction form
    115,369.70/173,054.55 = 70,852.10/x
  3. Step 3: Cross multiply
    115,369.70x = 173,054.55 × 70,852.10
  4. Step 4: Simplify right side
    115,369.70x = 12,261,278,282.06
  5. Step 5: Solve for x
    x = 12,261,278,282.06/115,369.70
  6. Step 6: Final answer
    x = 106,278.15

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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.