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Finding the Fourth Proportional to 163,601.60, 245,110.80 and 133,858.40

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Solution

The fourth proportional to 163,601.60, 245,110.80 and 133,858.40 is: 200,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.60 : 245,110.80 = 133,858.40 : x
  2. Step 2: Convert to fraction form
    163,601.60/245,110.80 = 133,858.40/x
  3. Step 3: Cross multiply
    163,601.60x = 245,110.80 × 133,858.40
  4. Step 4: Simplify right side
    163,601.60x = 32,810,139,510.72
  5. Step 5: Solve for x
    x = 32,810,139,510.72/163,601.60
  6. Step 6: Final answer
    x = 200,549.01

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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.