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Finding the Fourth Proportional to 163,870.81, 245,852.39 and 148,255.63

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Solution

The fourth proportional to 163,870.81, 245,852.39 and 148,255.63 is: 222,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,870.81 : 245,852.39 = 148,255.63 : x
  2. Step 2: Convert to fraction form
    163,870.81/245,852.39 = 148,255.63/x
  3. Step 3: Cross multiply
    163,870.81x = 245,852.39 × 148,255.63
  4. Step 4: Simplify right side
    163,870.81x = 36,449,000,225.18
  5. Step 5: Solve for x
    x = 36,449,000,225.18/163,870.81
  6. Step 6: Final answer
    x = 222,425.22

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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.