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Finding the Fourth Proportional to 114,740.51, 158,340.49 and 64,439.51

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Solution

The fourth proportional to 114,740.51, 158,340.49 and 64,439.51 is: 88,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,740.51 : 158,340.49 = 64,439.51 : x
  2. Step 2: Convert to fraction form
    114,740.51/158,340.49 = 64,439.51/x
  3. Step 3: Cross multiply
    114,740.51x = 158,340.49 × 64,439.51
  4. Step 4: Simplify right side
    114,740.51x = 10,203,382,635.96
  5. Step 5: Solve for x
    x = 10,203,382,635.96/114,740.51
  6. Step 6: Final answer
    x = 88,925.73

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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.