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Finding the Fourth Proportional to 163,077.94, 225,050.08 and 98,538.20

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Solution

The fourth proportional to 163,077.94, 225,050.08 and 98,538.20 is: 135,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,077.94 : 225,050.08 = 98,538.20 : x
  2. Step 2: Convert to fraction form
    163,077.94/225,050.08 = 98,538.20/x
  3. Step 3: Cross multiply
    163,077.94x = 225,050.08 × 98,538.20
  4. Step 4: Simplify right side
    163,077.94x = 22,176,029,793.06
  5. Step 5: Solve for x
    x = 22,176,029,793.06/163,077.94
  6. Step 6: Final answer
    x = 135,984.24

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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.