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Finding the Fourth Proportional to 163,597.48, 225,117.30 and 136,653.64

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Solution

The fourth proportional to 163,597.48, 225,117.30 and 136,653.64 is: 188,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,597.48 : 225,117.30 = 136,653.64 : x
  2. Step 2: Convert to fraction form
    163,597.48/225,117.30 = 136,653.64/x
  3. Step 3: Cross multiply
    163,597.48x = 225,117.30 × 136,653.64
  4. Step 4: Simplify right side
    163,597.48x = 30,763,098,471.97
  5. Step 5: Solve for x
    x = 30,763,098,471.97/163,597.48
  6. Step 6: Final answer
    x = 188,041.40

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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.